1. Paleocene flora of the Rocky Mountains and Great Plains Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1962 Format: Book Access & Availability: Loading
2. Palmlike plants from the Dolores formation (Triassic), southwestern Colorado Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1956 Format: Book Access & Availability: Loading
3. Cretaceous plants from southwestern Colorado Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1950 Format: Book Access & Availability: Loading
4. Fossil plants from the Colgate member of the Fox Hills sandstone and adjacent strata Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1939 Format: Book Access & Availability: Loading
5. Additions to some fossil floras of the western United States Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, [1937] Format: Book Access & Availability: Loading
6. The recognizable species of the Green River flora Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1934 Format: Book Access & Availability: Loading
7. Additions to the flora of the Green River Formation Author/Creator: Brown, Roland W. 1893-1961, (Roland Wilbur), author Publication/Creation: [Washington, D.C.] : [Department of the Interior, U.S. Geological Survey], [1929] Format: Book Access & Availability: Loading