USGS Small-scale Dataset - Global Map: 1:1,000,000-Scale Streams of the United States 201406 Shapefile
Published By U.S. Geological Survey, Department of the Interior
Issued almost 10 years ago
US
beta
Summary
Description
This map layer includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modified version of the National Atlas of the United States 1:1,000,000-Scale Streams of the United States; that file was produced primarily from the Medium-Resolution and High-Resolution National Hydrography Dataset NHDFlowline feature classes, through feature selection and cartographic generalization based on reference to published small-scale ancillary data sets.