Index to digital line graphs (DLG) from 1:24,000-scale maps and digital elevation model (DEM) data.

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Geological Survey (U.S.). National Mapping Division
Format:	Government Document Map Serial
Language:	English
Published:	Reston, Va. : Dept. of the Interior, U.S. Geological Survey, [198-?-]
Subjects:	Index maps. Digital mapping > Indexes. United States > Maps > Indexes. Digital mapping. United States. Indexes.

Galveston Map Collection