1568. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Atlas Historic Earthquakes represents the locations of significant, historic earthquakes in United States and adjacent Canada and Mex...
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1568. Geological Survey (U.S.). This point shapefile contains the locations and attributes of significant, historic earthquakes that caused deaths, property damage, and geological...
1568. National Atlas of the United States and the United States Geological Survey and ESRI. United States Historic Earthquakes is a point theme representing the locations of significant, historic earthquakes in United States and adjacent C...
1568. National Atlas of the United States and the United States Geological Survey and Environmental Systems Research Institute (Redlands, Calif.). United States Historic Earthquakes is a point theme representing the locations of significant, historic earthquakes in United States and adjacent C...
1568. National Atlas of the United States, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). U.S. National Atlas Historic Earthquakes represents the locations of significant, historic earthquakes in United States and adjacent Canada and Mex...
1790. Earle, Carville, Heppen, John, Otterstrom, Samuel, Cao, Changyong, and Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology. This polygon shapefile contains county boundaries for the United States in 1790. Attributes include county and state names as well as FIPS identifi...
1796. Stanford University. Center for Spatial and Textual Analysis and Carey, Mathew, 1760-1839. This layer is a georeferenced raster image of a map of the United States originally created by Matthew Carey and engraved by William Barker. The or...
1800. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...
1800. Earle, Carville, Heppen, John, Otterstrom, Samuel, Cao, Changyong, and Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology. This polygon shapefile contains county boundaries for the United States in 1800. Attributes include county and state names as well as FIPS identifi...
1810. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population...
