Digitizing options for hydrologic maps
Subtitle: scanning or hand digitizing?
By: by Andrew Cohen.
Series: Selected papers in the applied computer sciences -- 1994; U.S. Geological Survey bulletin -- 2103-B
Publisher: U.S. G.P.O.
Published: 1994
Place of publication: [Washington
Language: eng
Subjects: Digital mapping.; Hydrology -- Data processing.; Earth sciences -- Data processing.