00924cam a22002531 4500 gs 64000234 DLC 20260227111414.0 760417s1964 dcu 000 0 eng gs 64000234 (OCoLC)2118207 DLC NmU ISS OCoLC DLC premarc QE75 .P9 no. 505 I 19.16:505 Robinson, G. D. (Gershon Du Vall), 1918- Philmont country: the rocks and landscape of a famous New Mexico ranch, by G. D. Robinson [and others] Illustrated by John R. Stacy. Washington, U.S. Govt. Print. Off., 1964. viii, 152 p. illus., maps (3 col.) diagrs. (2 col.) 29 cm. [U. S.] Geological Survey. Professional paper 505 Part of illustrative matter in pocket. Bibliography: p. 150. Geology New Mexico Colfax County. 29853 29853