663 results returned
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Title: Interior contours, 200 scale
Contributors:- Line data
- 1999
Summary: Elevation contours corresponding to digital orthophotographs rectified to ground control corresponding to 200 scale mapping (1 inch = 200 feet) covering Marin County city-centered corridor and selected developed areas of West Marin. Five-foot contours interior to the Index contours (50 foot). Use in conjunction with C200IDX Index fifty-foot contours.
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Title: Index Contours, 200 scale
Contributors:- Line data
- 1999
Summary: Elevation contours corresponding to digital orthophotographs rectified to ground control corresponding to 200 scale mapping (1 inch = 200 feet) covering Marin County city-centered corridor and selected developed areas of West Marin. Fifty-foot Index contours. Use in conjunction with C200INT interior five-foot contours.
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Title: Interior contours, 400 scale
Contributors:- Line data
- 1999
Summary: Elevation contours corresponding to digital orthophotographs rectified to ground control corresponding to 400 scale mapping (1 inch = 400 feet) covering western portions of Marin County. Ten-foot interior contours. Use in conjunction with C400IDX index fifty-foot contours.
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Title: Index Contours, 200 scale
Contributors:- Line data
- 1999
Summary: Elevation contours corresponding to digital orthophotographs rectified to ground control at accuracies of 200 and 400 scale covering entire Marin County California. AutoCAd drawing files of five foot contours corresponding to 240 200-scale panels and ten foot contours corresponding to 151 400-scale panels. Drawings can be joined at seams. Produced by Towill Incorporated, a photogrammetry company.
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Title: Contours, 10 ft interval, Non-Watershed area
Contributors:- Line data
- 2010
Summary: Elevation Contours of Napa County for non-watershed Area, 10 foot interval. These are the 10 ft contours produced during the 2002/2003 Orthophotography Project. The area covered by this data is referred to as the Non-watershed Area because it lies outside the Napa River Watershed. The contours were mapped at a scale of 1"=400ft and meet National Map Accuracy standards at this scale. The vertical datum for the contours is NAVD88.
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Title: Spot Elevations, Watershed area
Contributors:- Point data
- 2010
Summary: Spot Elevation Points of the Napa River Watershed Area, 200 foot interval. The area covered by this data is referred to as the Watershed Area because it lies within the Napa River Watershed which is roughly the western half of the county. The data was originally delivered in 12,000 ft x 12,000 ft tiles. These were mosaiced together to create this layer.
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Title: Orthophoto Project Tile Boundaries
Contributors:- Polygon data
- 2002
Summary: Boundaries of the tiles used in the 2002 Orthophotography Project.
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Title: Contours, 5 ft interval, Watershed area
Contributors:- Line data
- 2010
Summary: Elevation Contours of the Napa River Watershed Area, 5 foot interval. The area covered by this data is referred to as the Watershed Area because it lies within the Napa River Watershed which is roughly the western half of the county. The DTM is based on LiDAR data acquired in May of 2003.
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Title: Hammond's enlarged map of Michigan
Contributors:- Not specified
- 1911
Summary: Delineates congressional districts, interurban electric lines completed and projected, and steamship lines. 57 x 58 centimeters
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Title: London and vicinity, England : Street Centerlines, 2006
Contributors:- Line data
- 2008
Summary: London, England street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Madrid, Spain : Street Centerlines, 2005
Contributors:- Line data
- 2008
Summary: Madrid, Spain street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Paris, France : Street Centerlines, 2006
Contributors:- Line data
- 2008
Summary: Paris, France street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Beijing, China : Street Centerlines, 2006
Contributors:- Line data
- 2007
Summary: Beijing, China street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Hong Kong, China : Street Centerlines, 2004
Contributors:- Line data
- 2007
Summary: Hong Kong, China street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Barcelona, Spain : Street Centerlines, 2005
Contributors:- Line data
- 2007
Summary: Barcelona, Spain street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Nairobi, Kenya : Street Centerlines, 2006
Contributors:- Line data
- 2007
Summary: Nairobi, Kenya street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: Berlin, Germany : Street Centerlines, 2006
Contributors:- Line data
- 2006
Summary: Berlin, Germany street centerline vectors with road type attributes extracted from DigitalGlobe QuickBird CitySphere high-resolution (60cm) satellite imagery ortho mosaics.
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Title: LandScan 2017 Global Population Database
Contributors:- Raster data
- 2017
Summary: LandScan 2017 Global Population Database is a raster theme representing population counts at 30 arc second resolution (1 km. or finer) as of 2017.
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Title: LandScan 2016 Global Population Database
Contributors:- Raster data
- 2016
Summary: LandScan 2016 Global Population Database is a raster theme representing population counts at 30 arc second resolution (1 km. or finer) as of 2016.
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Title: Japan Prefecture Social Census Data, 2015
Contributors:- Polygon data
- 2015
Summary: Japan Prefecture Social Census Data, 2015 is a polygon theme representing prefectures (ι½/ι/εΊ/η) in Japan as of 2015. This map is georeferenced to the surface of the earth and fit to World Geodetic System (1984) coordinates. Attribute data include summary results of the 2015 Japanese census questions regarding social characteristics. The documentation of these variables can be found in the "PREF_Social" sheet tab from the accompanying code book. This dataset is part of Japan 2015 Census collection.