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182 results returned

  1. Title: Land Cover Change, Southwest Cameroon, 2000-2015

    Contributors:

    Summary: This raster dataset is a georeferenced image containing land cover change classifications in southwest Cameroon between 2000 and 2015. Classifications are divided into 3 types of land cover change: unclassified (no change), non-forest (other) to oil palm/immature monoculture, and forest to oil palm/immature monoculture. These data are referenced in the corresponding publication: Ordway et al. 2018. Oil palm expansion and deforestation in Southwest Cameroon associated with proliferation of informal mills. Nature Communications. These data are intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production.

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  2. Title: Land Cover Classifications, Southwest Cameroon, 2015

    Contributors:

    Summary: This raster dataset is a georeferenced image containing land cover classifications developed as part of a study of oil palm expansion and deforestation in southwest Cameroon. Classifications represent the year 2015 and are divided into 5 land cover types: unclassified, mature oil palm, immature monoculture (65% immature oil palm), forest, and other. These data are referenced in the corresponding publication: Ordway et al. 2018. Oil palm expansion and deforestation in Southwest Cameroon associated with proliferation of informal mills. Nature Communications. These data are intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production.

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  3. Title: Land Cover Classifications, Southwest Cameroon, 2000

    Contributors:

    Summary: This raster dataset is a georeferenced image containing land cover classifications developed as part of a study of oil palm expansion and deforestation in southwest Cameroon. Classifications represent the year 2000 and are divided into 5 land cover types: unclassified, mature oil palm, immature monoculture (65% immature oil palm), forest, and other. These data are referenced in the corresponding publication: Ordway et al. 2018. Oil palm expansion and deforestation in Southwest Cameroon associated with proliferation of informal mills. Nature Communications. These data are intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production.

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  4. Title: Geologic Units (Polygons): Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This polygon shapefile shows the boundaries of geologic units within the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition of the National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Geologic Units (Polygons): Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/hv829rm6225. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  5. Title: Outlines of Major Calderas and Impact Structures: Generalized Geologic Map of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile shows the outlines of major calderas and impact structures in the United States. A caldera is a large, generally circular depression at the summit of a volcano formed when magma is withdrawn or erupted from a shallow underground magma reservoir. An impact structure is a crater formed by the impact of a meteoroid, asteroid, or comet with the Earth.This layer is part of a Generalized Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Outlines of Major Calderas and Impact Structures: Generalized Geologic Map of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/cn501pk8752. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  6. Title: Geologic Unit Text Labels: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile contains text labels (for display purposes) of the geologic line coverage in the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Geologic Unit Text Labels: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/vp190tb7818. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  7. Title: Geologic Units (Lines): Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile shows the outlines of geologic units within the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Geologic Units (Lines): Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/pb687sw0030. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  8. Title: Generalized Glacial Limit Lines with Line Decorations: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile shows the glacial limit lines, with line decorations (added for display purposes) in the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Generalized Glacial Limit Lines with Line Decorations: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/rx861dz2980. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  9. Title: Fault Lines with Line Decorations: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile represents the major fault lines in the United States. A fault is a fracture or fracture zone in the Earth's crust along which rocks on one side have moved significantly with respect to those on the other side. This layer includes both the faults and the line decorations (added for display purposes).This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition of the National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Fault Lines with Line Decorations: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/yy930mh7999. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  10. Title: Fault Lines: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile represents the major fault lines in the United States. A fault is a fracture or fracture zone in the Earth's crust along which rocks on one side have moved significantly with respect to those on the other side. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Fault Lines: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/tt369vk9000. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  11. Title: Impact Structure Locations: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This point shapefile shows the locations of impact structures in the United States. An impact structure is a crater formed by the impact of a meteoroid, asteroid, or comet with the Earth.This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Impact Structure Locations: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/dn768qz2883. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  12. Title: Generalized Glacial Limit Lines: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile shows the glacial limit lines in the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Generalized Glacial Limit Lines: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/vz874sc7648. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  13. Title: Areas and Facies Types of Metamorphism: Geology of the Conterminous United States, 2005

    Contributors:

    Summary: This line shapefile shows the outlines of major calderas and impact structures in the United States. This layer is part of the Geologic Map of the United States, originally published at a scale of 1:2,500,000 (King and Beikman, 1974b). It excludes Alaska and Hawaii. These data depict the geology of the bedrock that lies at or near the land surface, but not the distribution of surficial materials such as soils, alluvium, and glacial deposits. This is a revised version of the April 2004 data set. This map complements the Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands by Reed and Bush. A geographic information system (GIS) allows combining and overlaying of layers for analysis of spatial relations not readily apparent in the standard paper publication. This layer is part of the 1997-2014 edition National Atlas of the United States. Conversion of the geologic map of the U.S. to a digital format was undertaken to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, whereas a paper map has a fixed scale and projection. However, these data are not intended to be used at any scale finer than 1:2,500,000. National Atlas of the United States. (2005). Areas and Facies Types of Metamorphism: Geology of the Conterminous United States, 2005. National Atlas of the United States. Available at: http://purl.stanford.edu/xw442md8231. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.

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  14. Title: Global GIS : Geology of the conterminous United States at 1:2,500,000 scale : Geology

    Contributors:

    Summary: This datalayer is a polygon coverage representing geologic regions of the conterminous United States. It is a digital version of the geology features of H.M. Beikman and P.B. King's Geologic Map of the United States, originally published at a scale of 1:2,500,000 (1974). This version of the datalayer was published as part of the USGS Global GIS : global coverage database (2003). The USGS Global GIS database contains a wealth of USGS and other public domain data, including global coverages of elevation, landcover, seismicity, and resources of minerals and energy at a nominal scale of 1:1 million. The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic Information System (GIS) database readily available to educators and the general public in the form of a DVD based world atlas.

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  15. Title: Global GIS : Geology of the conterminous United States at 1:2,500,000 scale : Faults

    Contributors:

    Summary: This datalayer is a polyline coverage representing geologic faults of the conterminous United States. It is a digital version of the fault features of H.M. Beikman and P.B. King's Geologic Map of the United States, originally published at a scale of 1:2,500,000 (1974). This version of the datalayer was published as part of the USGS Global GIS : global coverage database (2003). The USGS Global GIS database contains a wealth of USGS and other public domain data, including global coverages of elevation, landcover, seismicity, and resources of minerals and energy at a nominal scale of 1:1 million. The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic Information System (GIS) database readily available to educators and the general public in the form of a DVD based world atlas.

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  16. Title: Geologic map of Coshocton County

    Contributors:

    Summary: by Raymond E. Lamborn. "Base from topographic maps of U.S. Geological Survey." Relief shown by contours and spot heights. Scale 1:62,500.

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  17. Title: Map of Oman in Arabia

    Contributors:

    Summary: Relief shown by hachures, spot heights, and verbal descriptions. Routes and dates of expedition are shown. Includes lithograph illustration of landscape and inhabitants. From: The Journal of the Royal Geographical Society of London. Vol. 7, (1837), pp. 102-13; held in Firestone Library. Call number: G7 .J687 v.7 1837 Beldan Beni Shah, population 20 hamlets, is located.

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  18. Title: Ruins at Berenice

    Contributors:

    Summary: Includes plan of temple ruins, illustration of stone relief work [scale ca. 1:7], and lithograph panorama of ruins, immediate surroundings, and Red Sea coast. Closets, holes in structure, staircases, and dimensions are shown in temple plan. From: The Journal of the Royal Geographical Society of London. Vol. 6 (1836), pp. 96-100; held in Firestone Library. Call number: G7 .J687 v.47 1877

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  19. Title: Geneva, Switzerland, 1880 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Plan de Geneve, N. Galais pere, ingeniuer geometre de [1ere] classe; litographie artistique Lelievre-Drache. It was published by Lelievre-Drache in 1880. Scale 1:3,000. Covers Geneva, Switzerland. Map in French. The image inside the map neatline is georeferenced to the surface of the earth and fit to the European Datum 1950, Universal Transverse Mercator (UTM) Zone 32N projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads and stations, street railway lines, drainage, built-up areas and selected buildings, cemeteries, parks, docks, and more.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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  20. Title: Newton, Massachusetts, 1855 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Map of the town of Newton, Middlesex County, Mass., surveyed by order of the town by H.F. Walling, Sup. of the state map; assistant engineers F.S. Belden, N. Smith, Jr. It was published by Lith of Sarony & Co. in 1855. Scale [1:12,900]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Massachusetts State Plane Coordinate System, Mainland Zone (in Feet) (Fipszone 2001). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads and stations, drainage, public buildings, schools, industry locations (e.g. mills, factories, etc.), selected private buildings with names of property owners, town boundaries, cemeteries, and more. Relief shown by hachures. Includes insets: West Newton -- Newton Corner.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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