Philmont country : the rocks and landscape of a famous New Mexico ranch /
by G. D. Robinson...[et al.].
-- Washington : United States Government Printing Office, 1964
- 152 p. + map. --
(Geological Survey Professional Paper ; 505).
Petrología
Rocas 2. Nuevo Mexico
552(789)
Petrología
Rocas 2. Nuevo Mexico
552(789)