(Q51421922)
Statements
2 references
Prince George's County (English)
3 references
3 references
3 references
2 references
Newell, Frederick Haynes, 1862-1932
3 references
4 August 2021
Bauer, L. A. (Louis Agricola), 1865-1932
4 references
4 August 2021
Maryland. Geological Survey, 1896-
4 references
4 August 2021
William Henry Alexander
3 references
4 August 2021
Fred Wilson Besley
4 references
4 August 2021
Jay Allan Bonsteel
4 references
4 August 2021
Benjamin Le Roy Miller
3 references
4 August 2021
The Johns Hopkins Press
2 references
Baltimore
2 references
2 references
1911
2 references
Identifiers
1 reference