Lovering, Tom Gray 1921-1996
Jasperoid in the United States : its characteristics, origin, and economic significance / by T. G. Lovering. -- Washington : United States Government Printing Office, 1972 - 164 p. -- (Geological Survey Professional Paper ; 710).
Estados Unidos
Rocas
52(73)
Jasperoid in the United States : its characteristics, origin, and economic significance / by T. G. Lovering. -- Washington : United States Government Printing Office, 1972 - 164 p. -- (Geological Survey Professional Paper ; 710).
Estados Unidos
Rocas
52(73)