Earth Features and Their Meaning / An Introduction to Geology for the Student and the General Reader

by William Herbert Hobbs

Bull. U. S. Geol. Surv.: Bulletin of the United States Geological Survey, Washington.

Bull. Wis. Geol. and Nat. Hist. Surv.: Bulletin of the Wisconsin Geological and Natural History Survey, Madison.

C. R. Cong. Géol. Intern.: Comptes Rendus de la Congrès Géologique Internationale.

Dept. of Mines, Geol. Surv. Branch, Canada: Department of Mines, Geological Survey Branch, Canada.

Geogr. Abh.: Geographische Abhandlungen.

Geogr. Jour.: Geographical Journal, London.

Geol. Folio U. S. Geol. Surv.: Geological Folio of the United States Geological Survey.

Geol. Mag.: Geological Magazine, London (sections designated by decades).

Jour. Am. Geogr. Soc.: Journal of the American Geographical Society, New York.