Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia : including descriptions of 22 new species, 1 new genus, and 4 new combinations of Mississippian age
- Published
- Washington : U.S. Govt. Print. Off, 1955.
- Physical Description
- 32 pages : 20 plates, map ; 29 cm.
View MARC record | catkey: 2774942