351 results returned
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Title: Seismic Hazard Map for the United States
Contributors:- Polygon data
- 2012
Summary: This polygon shapefile represents seismic hazards in the United States. The data represent a model showing the probability that ground motion will reach a certain level. This map layer shows peak horizontal ground acceleration (the fastest measured change in speed, for a particle at ground level that is moving horizontally due to an earthquake) with a 10% probability of exceedance in 50 years. Values are given in %g, where g is acceleration due to gravity, or 9.8 meters/second^2. The lines of equal hazard, which are the lines between the polygons, were determined by interpolating from a grid of equally spaced points in latitude and longitude. Each point was weighted based on the seismic hazard at that location. The grid spacing is 0.1 degrees for Alaska, 0.05 degrees for the conterminous United States, and 0.02 degrees for Hawaii. This layer is part of the 1997-2014 edition National Atlas of the United States. This map summarizes the quantitative information, available from geologic and geophysical sources, about seismic ground motion hazard in the United States. The data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the U.S. Geological Survey or the National Atlas of the United States in the use of these data. National Atlas of the United States. (2012). Seismic Hazard Map for the United States. National Atlas of the United States. Available at: http://purl.stanford.edu/rm034qp5477. This map layer was prepared by combining spatially-smoothed historic seismicity information with information from fault-specific sources. The acceleration values contoured are the random horizontal component. The reference site condition is firm rock, defined as having an average shear- wave velocity of 760 meters/second in the top 30 meters corresponding to the boundary between National Earthquake Hazards Reduction Program (NEHRP) site classes B and C. For more information about the USGS National Seismic Hazard Maps, please visit http://earthquake.usgs.gov/hazards/index.php. A description of how the underlying geologic and geophysical data were prepared as well as the methodology used in calculating seismic hazard for a geographic location can be found in the following reports: Petersen, M.D., Frankel, A.D., Harmsen, S.C., Mueller, C.S., Haller, K.M., Wheeler, R.L., Wesson, R.L., Zeng, Yuehua, Boyd, O.S., Perkins, D.M., Luco, Nicolas, Field, E.H., Wills, C.J., and Rukstales, K.S., 2008, Documentation for the 2008 Update of the United States National Seismic Hazard Maps: U.S. Geological Survey Open-File Report 2008-1128, 61 p. Klein, F.W., A.D. Frankel, C.S. Mueller, R.L. Wesson and P.G. Okubo, 2001, Seismic Hazard in Hawaii: high rate of large earthquakes and probabilistic ground motion maps, Bulletin of the Seismological Society of America, v. 91, pp. 479-498. Wesson, Robert L., Boyd, Oliver S., Mueller, Charles S., Bufe, Charles G., Frankel, Arthur D., Petersen, Mark D., 2007, Revision of time-Independent probabilistic seismic hazard maps for Alaska: U.S. Geological Survey Open-File Report 2007-1043, 33p. 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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Title: State of Ohio
Contributors:- Not specified
- 1878
Summary: 1 map : color ; 63 x 72 cm Shows county boundaries, cities and villages, railroads, and canals. "J. A. Williamson, Commissioner." Prime meridians: Greenwich and Washington.
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Title: Mapping Interstate Territorial Conflict, 1947-2000 (v2)
Contributors:- Polygon data
- 2019
Summary: This polygon shapefile represents areas that were the subject of interstate territorial disputes between 1947 and 2000. The disputed areas referenced in this map were identified in 'The Democratic Peace and Territorial Conflict in the Twentieth Century' (Huth and Allee, 2002.) Each disputed region is rendered as a polygon encompassing the area of overlapping claims. Each region has a variable 'homeland,' indicating whether the area was ever part of a dispute involving homeland territory for both states. Each dispute is also assigned a precision code, from 1 to 5, where 1 represents the highest level of certainty and 5 represents the lowest level. The vast majority of claims represented in this dataset were bounded with relatively high precision. Research related to these data is described in 'Mapping Interstate Territorial Conflict: A New Data Set and Application.' An earlier version of this shapefile and other related information including annual data for dyads and direct dyads involved in disputes, as well as a file of the territorial disputes identified by Huth and Allee, can be found at: http://purl.stanford.edu/zc000fq4044. Schultz, Kenneth A. (2016). Mapping Interstate Territorial Conflict, 1947-2000 (v2). Stanford Digital Repository. Available at: http://purl.stanford.edu/jn766dx6840. Schultz, Kenneth A. "Mapping Interstate Territorial Conflict: A New Data Set and Applications." The Journal of Conflict Resolution (2015). Available at: http://dx.doi.org/10.1177/0022002715620470 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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Title: Public Transit Map, Massachusetts, ca. 2000 (Raster Image)
Contributors:- Raster data
- 2013
- Harvard Map Collection, Harvard Library
- Metropolitan Planning Organization (Mass.). Central Transportation PlanningStaff.
- Dumas, Kenneth A.
- Transportation Creative Services (Firm)
- Massachusetts Bay Transportation Authority.
Summary: This layer is a georeferenced raster image of the historic paper map entitled: Official public transit map :[Boston and vicinity, Massachusetts] : Massachusetts Bay Transportation Authority / this map was prepared for the MBTA by the Central Transportation Planning Staff ; cartography by Kenneth A. Dumas, CTPS ; production by Transportation Creative Services. It was published by Massachusetts Bay Transportation Authority ca. 2000. Scale 1:21,120. 1 in. = 1/3 of a mile. 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, drainage, cities and other human settlements, territorial boundaries, shoreline features, and more. Includes also general information on bus, subway, rail, and boat transportation, service frequencies in minutes for bus routes and subway lines, inset of 'MBTA commuter rail system,' inset showing transportational services for Lynn, Salem, Beverly, and vicinity, 18 insets showing transportational services for locales at or near stations, advertisement, manuscript annotations and color illustrations. 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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Title: Quaternary geology-Traverse-Grant area, west-central Minnestoa, RHA-6, Part A, Plate 1
Contributors:- Not specified
- 2006
Summary: Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of the Traverse-Grant area, west-central Minnesota, scale 1:200,000.
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Title: Quaternary geology-Traverse-Grant area, west-central Minnestoa, RHA-6, Part A, Plate 2
Contributors:- Not specified
- 2006
Summary: Quaternary (glacial and stream sediment) stratigraphy of the Traverse-Grant area, west-central Minnesota, scale 1:200,000.
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Title: Quaternary geology of the Crookston 30' x 60' quadrangle, northwest Minnesota Minnesota, M-173, Plate 2
Contributors:- Not specified
- 2006
Summary: Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface) and type of material, of the Crookston quadrangle, scale 1:100,000.
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Title: Quaternary geology of the Crookston 30' x 60' quadrangle, northwest Minnesota Minnesota, M-173, Plate 1
Contributors:- Not specified
- 2006
Summary: Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), (lithogenetic or material type) map of the Crookston quadrangle, scale 1:100,000.
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Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 5, Mineral Endowment
Contributors:- Not specified
- 2003
Summary: Maps showing locations and types of bedrock aggregate and sand and gravel resources, scale 1:100,000, Pope County.
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Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 4, Quaternary Stratigraphy
Contributors:- Not specified
- 2003
Summary: Cross sections showing the subsurface stratigraphy and unit characteristics of unconsolidated (glacial and stream sediments) overlying the bedrock, scale 1:200,000, Pope County.
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Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 1, Data Base
Contributors:- Not specified
- 2003
Summary: Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources of primary information tthat guide the geologic interpretations used to make the geologic maps in the series, scale 1:100,000, Pope County.
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Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 2, Bedrock Geology, Bedrock Topography, and Depth to Bedrock
Contributors:- Not specified
- 2003
Summary: Maps showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), elevation of the bedrock surface (bedrock topography) and thickness of unconsolidated (glacial and stream sediments) material over the bedrock surface, scale 1:200,000, Pope County.
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Title: Geologic atlas of Pope County, Minnesota, C-15, Part A, Plate 3, Surficial Geology
Contributors:- Not specified
- 2003
Summary: Map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), scale 1:100,000, Pope County.
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Title: Quaternary geology-Otter Tail area, west-central Minnesota, RHA-5, Part A, Plate 1
Contributors:- Not specified
- 1999
Summary: Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of the Otter Tail area, west-central Minnesota, scale 1:200,000.
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Title: Quaternary geology-Otter Tail area, west-central Minnesota, RHA-5, Part A, Plate 2
Contributors:- Not specified
- 1999
Summary: Quaternary (glacial and stream sediment) stratigraphy of the upper Minnesota River basin, Minnesota, scale 1:200,000.
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Title: Quaternary geology-Southern Red River Valley, Minnesota, RHA-3, Part A, Plate 2
Contributors:- Not specified
- 1995
Summary: Quaternary (glacial and stream sediment) stratigraphy of southern Red River Valley, Minnesota, scale 1:200,000.
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Title: Quaternary geology-Southern Red River Valley, Minnesota, RHA-3, Part A, Plate 1
Contributors:- Not specified
- 1995
Summary: Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface), of southern Red River Valley, Minnesota, scale 1:200,000.
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Title: Cover Type Wetlands Map of the Oswegatchie-Black, Upper Hudson, and St. Regis Watersheds in New York State, 2000
Contributors:- Polygon data
- 2000
Summary: A set of 18 USGS 7.5' quadrangle-based wetland coverages was prepared for the Oswegatchie-Black, Upper Hudson, and St. Regis River watersheds, primarily within the New York State Adirondack Park using PC Arc/Info 3.4D+ at the Remote Sensing Laboratory, Plattsburgh State University (RSL). Wetlands were delineated on 1:40000 color infrared National Aerial Photography Program (NAPP) transparencies (for the Oswegatchie-Black watershed 1:58,000-scale National High Altitude Photography (NHAP) color infrared photos were used), transferred to orthophoto overlays using an Image Interpretations Systems Stereo Zoom Transfer Scope, and either hand digitized or scanned into PC Arc/Info format. A digital file extracted from the watershed data layer defined the outer boundary of the mapped area. This wetlands database consists of both polygon and linear features labeled using National Wetlands Inventory conventions. The 138 individual quadrangle files were exported to the New York State, Executive Department, Adirondack Park Agency (NYS APA) running Arc/Info version 8.0. The final MAPJOINED study area polygon coverage comprised of the 18 quad coverages was called STREGWTLND. Scale 1:24,000. The wetlands database is part of a larger database designed to help evaluate watershed/wetland relationships and provide data for cumulative impact assessments. The outreach efforts to share the Agency's natural resource database will encourage resource appreciation and wise use, particularly in a regional context. Supplemental Information: Line drawings for 18 quadrangle-based wetland coverages were scanned using an ANAtech Evolution scanner housed at the Adirondack Park Agency. Digital files were vectorized, transformed into the UTM coordinate system, edited, and attributed by the Remote Sensing Laboratory, Plattsburgh State University. Digital files were georeferenced into a digital quadrangle file containing four bounding tics using PC Arc/Info 3.4D+. Maximum allowable RMS was 0.003, snapdistance 20.0 meters, snaptype closest, weed tolerance 3.0 meters, and a fuzzy tolerance of 1.219 meters. Hard copies of the digital coverage showing arcs, dangle nodes, and label points were carefully checked against the line overlay for digitizing or scanning accuracy. Wetland labels were added as label components using a digitizer menu customized for this project. A label overlay was placed over the line drawing, and arc and wetland labels were assigned on the digitizer. Wetland label columns were concatenated into a unified wetland label using dBase IV. A hard copy of the wetland coverage was made showing NWI wetland labels and each label was checked against the label overlay. Wetland labels follow the conventions established by Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of Wetlands and Deepwater Habitats of the United States. FWS/OBS-79/31. Office of Biological Services, U.S. Fish and Wildlife Service. U.S. Department of the Interior, Washington, D.C. 103 pp. Some modifications to the conventions were made to accommodate this project and are noted in the final project report. Files were transported to the NYS APA as Arc/Info export files (no compression) compressed with WinZip on 100 MB Zip disks.
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Title: Where shall we go? Map showing points of interest in Indiana. Information on hotels, trains and accommodations in state parks
Contributors:- Tourist maps
- 1925
Summary: Map title: Map of Indiana showing points of interest and state highways. "Map furnished by Indiana State Highway Commission, R.F. Pickens, del." On verso: text about points of interest and key to map. Imprint: [Indianapolis] : The Department of Conservation, [approximately 1925] Dimensions: 50 x 31 cm; Scale: 1:963,000 Coordinates: W0880500 W0844700 N0414500 N0374600
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Title: Western, Central & Southern continental Europe : designed to accompany Cornell's High school geography
Contributors:- Image data
- 1866
Summary: Relief shown by hachures. Prime meridians: Greenwich and Washington. "Entered according to act of Congress in the year 1855 by S.S. Cornell in the ... District Court for the Southern District of New York." From: Companion atlas to Cornell's High School geography... / by S.S. Cornell. New York : D. Appleton, 1866, c1856.