Lingua: Inglese
Editore: GPO, DC, 1971
Da: Rocks of Ages, Inc., Noblesville, IN, U.S.A.
Original Wrappers. Condizione: Very Good. USGS PP 665, pp iv + 66 with 4 plates in pocket; 6 figures; 2 tables. "A descriptive report of the geology, mineral deposits, and mines in an area east of the Boulder batholith".