AGAR, WILLIAM M., comp.
Geology from original sources. Compiled and arr., by William M. Agar, Richard Foster Flint and Chester R. Longwell.
AGAR, WILLIAM M., comp. Geology from original sources. Compiled and arr., by William M. Agar, Richard Foster Flint and Chester R. Longwell. © 26Jun29; A10019. Richard Foster Flint & Chester Ray Longwell (A); 18Jul56; R174330.
Richard Foster Flint & Chester Ray Longwell|A