Digital elevation models /

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Reston, Virginia : [U.S. Geological Survey], 1993.
Edition:	Third printing (revised) 1993.
Series:	Data users guide ; 5.
Subjects:	Digital mapping > Standards. United States > Altitudes.
Online Access:	https://purl.fdlp.gov/GPO/gpo93782

Description
Physical Description:	1 online resource (iv, 53 pages) : illustrations.