by Davis M. Lapham
No reviews yet. Be the first!
Mineral collecting in Pennsylvania
Geology and origin of the triassic magne...
Interpretation of K-Ar and Rb-Sr isotopi...
Summary of isotopic age determinations i...
Common rocks and minerals of Pennsylvani...
The nature of chromium chlorite
Preliminary results of coring the Mesozo...
Dolerite
Mineralogy and petrography of Triassic l...
On analcite diabase from San Luis Obispo...
On some Pre-Cambrian metadolerites from ...