Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports of explorations and surveys : to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson printer, 1855)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1856)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1854)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Research accomplishments - United States. Forest Service. (1969)

Research accomplishments - United States. Forest Service. (1971)

Research for tomorrow's forests : 1983 research accomplishments - United States. Forest Service. (USDA, Forest Service, 1984)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing company, 1905)

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

Response of elk to Exxon's field development in the Riley Ridge area of western Wyoming, 1979-1990 - Wyoming. Game; Fish Dept. (Hayden-Wing Associates, 1990)

Results of a biological reconnoissance of south-central Idaho - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1891)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Results of a biological survey of the San Francisco Mountain region and desert of the Little Colorado, Arizona - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1890)

Retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Albyn Nursery, 1927)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1916)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1919)

Revision of Europiella Reuter in North America, with the description of a new genus (Heteroptera, Miridae, Phylinae) - Schuh, Randall T. (American Museum of Natural History, 2004)

Revision of Phoenicocoris Reuter with descriptions of three new species from North America and a new genus from Japan (Heteroptera, Miridae, Phylinae) - Schwartz, Michael D. (American Museum of Natural History, 2004)

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1942)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1898)

Revue générale des sciences pures et appliquées ([s.n.], 1922)

Revue horticole (Librairie agricole de la maison rustique, 1854)

Revue horticole (Librairie agricole de la maison rustique, 1867)

Revue horticole (Librairie agricole de la maison rustique, 1885)

Revue horticole (Librairie agricole de la maison rustique, 1913)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1966)

Riley Ridge natural gas project : soils/vegetation/reclamation technical report - United States. Bureau of Land Management. (Environmental Research and Technology, Inc, 1983)

Rio Grande National Forest, Colorado - United States. Department of Agriculture. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Region, 1937)

Robert C. Young [price list]. Bulletin No. 4, March 21, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert C. Young, 1927)

Robert C. Young [price list]. Bulletin No. 1, October 1st, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert C. Young, 1926)

Robert C. Young [price list]. Bulletin No. 3, January 15, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert C. Young, 1927)

Rock garden alpines, and other Colorado native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1933)

Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (H. W. Wilson, 1920)

Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

Rocky Mountain front grizzly bear monitoring and investigation - U.S. Fish; Wildlife Service (s.n, 1985)

Rocky Mountain front grizzly bear monitoring and investigation - Aune, Keith, 1954 - (Montana Dept. of Fish, Wildlife and Parks, 1982)

Rocky Mountain mine timbers - Betts, Norman De Witt, 1880 -1917 (U.S. Dept. of Agriculture, 1914)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1938)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1936)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1937)

Rocky Mountain rarities from Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1941)

Rocky Mountain rarities from Colorado : plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1945)

The Rocky Mountain wonderland - Mills, Enos A., 1870 -1922 (Houghton Mifflin company, 1915)

The Rocky Mountain wonderland - Mills, Enos A., 1870 -1922 (Houghton Mifflin Company, 1915)

Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1902)

Route near the thirty-fifth parallel explored by Lieutenant A.W. Whipple, Topographical Engineers, in 1853 and 1854 - Bigelow, John M. 1804 -1878 (B. Tucker, 1856)

Routt national forest, Colorado. United States Department of agriculture, Forest service, Rocky mountain region, Denver, Colorado ... - United States. Forest Service. Rocky Mountain Region. (U. S. Govt. print. off, 1941)

The Royal botanic gardens, Kew : historical and descriptive - Bean, W. J. (William Jackson), 1863 -1947 (Cassell and Co., Ltd, 1908)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2002)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2015)

Sagebrush conservation strategy : challenges to sagebrush conservation - U.S. Fish; Wildlife Service (U.S. Geological Survey, 2021)

Salmon-Challis National Forest noxious weed management program : final environmental impact statement - United States. Forest Service. (U.S. Forest Service, 2003)

Samen-Verzeichnis des Staatl. Botanischen Gartens zu Dresden - Technische Universität Dresden. Botanischer Garten. (Koeniglich Botanischer Garten zu Dresden, 1937)

Science - American Association for the Advancement of Science. ([s.n.], 1900)

Science - American Association for the Advancement of Science. ([s.n.], 1902)

Science - American Association for the Advancement of Science. ([s.n.], 1905)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

Science studies, v.1, no. 1-3 - Montana Agricultural Experiment Station. (1905)

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

Scientific papers of Asa Gray - Gray, Asa, 1810 -1888 (Houghton, Mifflin, 1889)

Scientific publications of the Cleveland Museum of Natural History - Cleveland Museum of Natural History (The Museum, 1930)

Season 1940, fall 1939 wholesale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherwood Nursery Co, 1939)

Season 1941, fall 1940 wholesale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sherwood Nursery Co, 1940)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (Wiley, 1916)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (J. Wiley & sons, inc.; [etc.,etc.], 1916)

Seeding and planting; a manual for the guidance of forestry students, foresters, nurserymen, forest owners, and farmers - Toumey, James W. (James William), 1865 -1932 (J. Wiley & Sons; [etc., etc.], 1916)

Select extra-tropical plants : readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

Select extra-tropical plants, readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (T. Richards, government printer, 1881)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the superintendent of government printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the Superintendent of Government Printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalization, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (G.S. Davis, 1884)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (C. Troedel and Co, 1891)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)

Select extra-tropical plants readily eligible for Victorian industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

Select plants readily eligible for industrial culture or naturalisation in Victoria - Mueller, Ferdinand von, 1825 -1896 (Printed for the government of Victoria by McCarron, Bird & co, 1876)

Selected bibliography of the Sierra Nevada : references pertaining to the natural history of the Sierra Nevada including some references from the Lassen and Tehachapi regions - United States. National Park Service. (Distributed by the Pacific Southwest Forest and Range Experiment Station, U.S.D.A., Forest Service, 1975)

Selected botanical papers - Knobloch, Irving W. (Irving William), 1907 - (Prentice-Hall, 1963)

Selected shrubland and grassland communities of the northern Great Plains - Montana Natural Heritage Program. (Nature Conservancy, 1999)

Semillas de arboles y arbustos - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Otto Katzenstein & Co, 1908)

Sensitive plant species in weed management areas on the Helena National Forest: final report - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2002)

Sensitive plant species inventory in the Centennial Valley, Beaverhead County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Sensitive plant species survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant species survey, Garfield and McCone Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1996)

Sensitive plant survey in the Horse Prairie Creek drainage, Beaverhead County, Montana, Butte District, Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant survey in the Sweetgrass Hills, Liberty and Toole Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1994)

Sensitive plant survey of BLM lands along the Big Hole River and in the Whitehall Valley - Lesica, Peter. ([Montana Natural Heritage Program?], 1994)

Sensitive plant survey of the Sage Creek Area, Beaverhead County, Montana, Dillon Resource Area, Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1995)

Sensitive plant survey of the Tendoy Mountains, in the Beaverhead National Forest, Beaverhead County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Sensitive plant surveys, 1989 : U.S. Forest Service, Region 1, Gallatin National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1989)

Sensitive plant surveys in the Big Belt and Elkhorn Mountains, U.S.D.A. Forest Service, Region 1, Helena National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive species of Nevada : 1990 report : Bureau of Land Management, Las Vegas District - Clemmer, Glenn H. (Nevada Natural Heritage Program, 1990)

Shoshone National Forest, Wyoming - United States. Forest Service. (U.S. Govt. Print. Off, 1941)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1975)

Sierra Club bulletin - Sierra Club. (Sierra Club, 1916)

Sierra Club bulletin - Sierra Club. (Sierra Club, 1920)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1897)

The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1902)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1897)

Silvical characteristics of Engelmann spruce - Alexander, Robert R. (USDA, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1984)