USGS Small-scale Dataset - 1:1,000,000-Scale Contours of Puerto Rico and the U.S. Virgin Islands 201404 FileGDB 10.1
Vydavatel U.S. Geological Survey, Department of the Interior
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This map layer shows elevation contour lines for Puerto Rico and the U.S. Virgin Islands. The map layer was derived from the 100-meter resolution elevation data set which is published by the National Atlas of the United States, and is in the same Albers Equal-area Conic projection as that source data set. Contour intervals match the steps used in the National Atlas Color-Sliced Elevation data sets. Contours were adjusted so that they are in the proper relationship to National Atlas 1:1,000,000-scale lakes, reservoirs, and wide (double-line) streams.