Guide to Geology (Classic Reprint)

Guide to the Geology of the Upper Schuylkill Valley (Classic Reprint)

Guide to Localities Illustrating the Geology, Marine Zoology (Classic Reprint)

Guide to the Geology of London and the Neighbourhood (Classic Reprint)

Fossil Plants, Vol. 1: For Students of Botany and Geology (Classic Reprint)

Geology (Classic Reprint)

Geology of New Brunswick: Field Guide to Excursions (Classic Reprint)

Geology of the Owl Creek Mountains (Classic Reprint)