Search Results
1999. Towill Incorporated. Elevation contours corresponding to digital orthophotographs rectified to ground control corresponding to 400 scale mapping (1 inch = 400 feet) cov... San Francisco (Calif.). Towill Incorporated.
2009. Watt, Janet T., Hartwell, Stephen R., Johnson, Samuel Y., Sliter, Ray W., and Pacific Coastal and Marine Science Center. This line shapefile contains isopachs (contour lines of equal thickness) for the areas within the 3-nautical mile limit between Salt Point and Drak... Geological Survey (U.S.).
2007, 2008, and 2009. Wong, Florence L., Johnson, Samuel Y., Phillips, Eleyne L., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This line shapefile contains isopachs (contour lines of equal thickness) at 2.5 meter intervals for the areas within the 3-nautical mile limit arou... Geological Survey (U.S.).
2009. World Wildlife Fund. This river network (stream lines) map for North America is derived from the flow direction map for North America. The flow accumulation map for Nor... Geological Survey (U.S.).
2009. World Wildlife Fund. This river network (stream lines) map for North America is derived from the flow direction map for North America. The flow accumulation map for Nor... Geological Survey (U.S.).
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This line shapefile shows bathymetric contours with depth in metres for ocean areas covered by the extent of the North American Atlas project. Isob... Canada Centre for Mapping, Instituto Nacional de Estadística, Geografía e Informática (Mexico), and Geological Survey (U.S.).
1967. Costa, Laurent. This line shapefile represents contour lines in Paris, France as defined in the Geological Atlas of 1967 by Vincent Krier. The ALPAGE programme aim... Analyse Diachronique de l'espace Urbain Parisien: Approche Geomatique.
8. ridgeline
2010. EDAW, Inc. Major and Minor Ridgelines for Napa County. Napa County (Calif.). County Of Napa.
2015. Sacramento County GIS. This polyline shapefile contains 2-foot contours of the Sacramento Delta in the County of Sacramento, California. This layer is part of a collectio... Sacramento County GIS.
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts data compiled within the nine county San Francisco Bay Area Region, California using the following methods: 1) Usin... Bay Area Open Space Council.