TY  - MAP
AU  - 
AU  - Tatum, Sledge
AU  - Ecklund, C.A.
TI  - Texas Gay Hill Quadrangle Surveyed in 1911 in Cooperation with the State of Texas Part of N.E. Quarter Surveyed in 1910
U1  - 912.764 
PY  - 1914///
CY  - Washington
PB  - US Geologicla Survey
KW  - Topographic Map
N2  - Datum is mean sea level; Approximate Mean Declination, 1912
ER  -