Author: THOMAS (Hugh Hmahaw)

Description

THOMAS (Hugh Hmahaw). See ENGLMD. Departments of State and Official Bodies, Geological Survey of the United Kingdom. fGeneral IJemoirs.J Chemical analyses of igneous rooks, metamorphic rocks and miner.ls, compiled from the records of the Geological Survey.. .with petrographic— a]. deecription8 by H. II. Thomas, eta. London, 1931.

Card ID: 50