Ralph M. Feather Jr., PhD, Assistant Professor Geoscience Department ... & Susan Leach Snyder, Retired Teacher, Consultant Jones Middle ... & Dinah Zike, Educational Consultant Dinah-Might Activities, Inc., ... (...)

Lithology (1)

Неизвестный

Геология месторождений угля, битуминозных пород и торфа (1)

Jerry Ginsberg

Technique and technology of exploration works (1)

Кузьменко Е. Е.

Стратиграфия (1)