The DLG data files used to create this dataset are derived from the 1:2,000,000-scale maps contain selected base categories of cartographic data in digital form. The data files are derived from the sectional maps of the 1970 National Atlas of the United States of America. The Hydrography category includes data in three separate subcategories: (1) Streams, (2) Water Bodies, and (3) Hypsography (Continental Divide only). This file contains only data pertaining to New York State. DLG's depict information about geographic features of political and administrative units. These data were collected as part of the National Mapping Program.