Ohio-drainage stream centerline coverage for use with Water Resources Investigations Report 03-4164
This vector coverage of hydrography centerlines was derived from the National Hydrography 
Dataset (NHD), and encompasses all of Ohio and portions of Indiana, Michigan, Kentucky,
West Virginia, Pennsylvania, and New York. This coverage is comprised of 105 Catalog Units
(CUs) obtained from http://nhd.usgs.gov/. Each CU …