Dalhart /

Bibliographic Details
Corporate Authors: United States. Army Map Service, Geological Survey (U.S.)
Format: Map
Language:English
Published: Washington, D.C. : Geological Survey, 1954.
Edition:Revised 1976.
Series:Western United States 1:250,000 ; NJ 13-12.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
"Compiled in 1955 by photogrammetric methods from aerial photographs taken in 1954. Photographs field annotated 1954. Revised in 1976...from aerial photographs taken in 1975."
"DALHART 1 34."
"100,000-foot grids based on New Mexico coordinate system, east zone, Texas coordinate system, north zone and Oklahoma coordinate system, north zone."
"1975 Magnetic declination from true north varies from 11 1/2° (2000 mils) easterly for the center of the west edge to 10 1/2° (190 mils) easterly for the center of the east edge."
Physical Description:1 map : plastic ; 45 x 73 cm, on sheet 61 x 92 cm.