Creator
Ballou, William Hosea, 1857-1937 (2)
Doerksen, Harvey R. (1)
E.C. Kropp Co. (1)
EROS Data Center (2)
Elliott, T. C. (Thompson Coit), 1862-1943 (11)
Fisk, W. L. (Walter Leslie), 1855- (76)
Ford, J. F. (John Fletcher) (1)
Freeman, Lewis R. (Lewis Ransome), 1878-1960 (230)
Geological Survey (U.S.) (2)
Gibson, Charles R. (Charles Robert), 1870-1931 (3)
Gillespie, G. L. (2)
Harts, W. W. (William Wright), 1866-1961 (76)
Jones, William A. (William Albert), 1841-1914 (1)
Kinney, M. J. H. (3)
Klamath County Chamber of Commerce (1)
Lorraine, Madison Johnson (225)
Markham, B. C. (Benjamin Clayton) (1)
Michler, N. (Nathaniel), 1827-1881 (2)
Moorhouse, Lee, 1850-1926 (1)
Oregon Touring Bureau (28)
Pacific Northwest Regional Planning Commission (1)
Pond, James B. (James Burton), 1889-1961 (5)
Powell, Charles Francis, 1843-1907 (5)
Prentiss, A. M. (Arthur M.) (3)
Rogers, W. A. (William A.) (2)
Rosenthal, Abraham, 1870-1929 (7)
Shaw, Emma (2)
Smith, Katherine Louise (4)
Underwood & Underwood (1)
United States. Agricultural Stabilization and Conservation Service (5)
United States. Army Map Service (3)
United States. Army. Corps of Engineers (15)
United States. Army. Corps of Engineers. North Pacific Division (1)
United States. Army. Office of the Chief of Engineers (406)
United States. Bonneville Power Administration (31)
United States. Bureau of Reclamation (3)
United States. Commodity Stabilization Service (3)
United States. Congress. House (2)
United States. Department of Agriculture (1)
United States. Department of the Interior (32)
United States. Division of Water Supply and Pollution Control (1)
United States. Forest Service (3)
United States. War Department (172)
Volkman, John M. (1)
WAC Corp. (4)
Warren, George C., 1877- (7)
Weister, George M., 1862-1922 (1)
Willey, Day Allen (2)
Wilson, John M. (John Moulder), 1837-1919 (3)
Woehlke, Walter Victor, 1881-1954 (2)
Author
Ainsworth, J. C. (John Commingers), 1822-1893 (2)
Baker, Newton Diehl, 1871-1937 (2)
Beach, Lansing H. (Lansing Hoskins), 1860-1945 (2)
Burr, Edward, 1859-1952 (2)
Garrison, Lindley M. (Lindley Miller), 1864-1932 (2)
Jones, William A. (William Albert), 1841-1914 (22)
Lorraine, Madison Johnson (1)
Mendell, George H. (George Henry), 1831-1902 (3)
Parke, John G. (3)
Topic
Aerial photographs (41)
Agriculture (7)
Automobiles (1)
Block printing (1)
Boatbuilding (7)
Boats and boating (37)
Bodies of water (393)
Bones (2)
Bridges (19)
Bridges--Design and construction (30)
Canada, Western (108)
Canals (30)
Canals--Design and construction--Costs (44)
Carriages and carts (2)
Cartography (2)
Cascade Range (2)
Cities and towns (2)
Cliffs (4)
Climate (1)
Commerce (2)
Conservation of natural resources (6)
Construction workers (1)
Cultural property (1)
Dams (29)
Dams--Design and construction (39)
Dams--Surveying (3)
Discoveries in geography (25)
Discovery & exploration (2)
Discovery and exploration (382)
Drawbridges (2)
Drawings (2)
Dredging (1)
Eddies (10)
Education (1)
Electric power production (1)
Engineering--Estimates (2)
Environmental policy (1)
Explorers (436)
Exports (2)
Ferries (2)
Fisheries (4)
Fishers (9)
Fishing (10)
Fishing boats (1)
Fishing nets (1)
Fishwheels (7)
Flood control (1)
Floods (3)
Forest conservation (1)
Forest roads--Design and construction (2)
Forests and forestry (6)
Formations (Geology) (26)
Funeral rites and ceremonies--United States (2)
Geography--History (1)
Glaciers (3)
Gorges (1)
Government publications (193)
Harbors (35)
Highway engineering (20)
Hiking (1)
History (4)
Horses (1)
Hunting (3)
Hydraulic engineering (1)
Hydroelectric power plants (7)
Hydrothermal electric power systems (2)
Ice caves (4)
Ice on rivers, lakes, etc. (4)
Indians of North America (4)
Indians of North America--Dwellings (1)
Indians of North America--Funeral customs and rites (3)
Industrialization (6)
Inland navigation (43)
Irrigation (5)
Irrigation projects (1)
Jetties (17)
Landscape protection (2)
Landscapes (1)
Lighthouses (1)
Locks (Hydraulic engineering) (25)
Lower Columbia River (Or. and Wash.) (1)
Lumber trade (3)
Maps (34)
Military maps (2)
Military topography (2)
Mosquitoes (3)
Mountains (57)
National parks and reserves (2)
Natural areas (1)
Nature (13)
Northwest, Pacific (497)
Northwest, Pacific--History (4)
Oystering (1)
Paddle steamers (2)
Photography (271)
Piers (1)
Piling (Civil engineering) (3)
Poetry (6)
Ponds (1)
Postcards (14)
Public health (1)
Public utilities (14)
Pumped storage power plants (2)
Rafts (2)
Railroad construction & maintenance (3)
Railroad engineering (52)
Railroad trains (3)
Railroad travel (2)
Railroads (26)
Railroads--Design and construction (1)
Rapids (76)
Recreation (2)
Renewable energy sources (3)
Riparian areas (72)
River channels (27)
River engineering (337)
River surveys (108)
Rivers (442)
Roads--Design and construction (6)
Rowboats (1)
Salmon (9)
Salmon canning industry (2)
Salmon fisheries (1)
Salmon fishing (2)
Salmon industry (3)
Scenic byways (35)
Scenic overlooks (3)
Seining (4)
Shipbuilding (1)
Shipwrecks (2)
Smelts (1)
Steamboats (24)
Stream conservation (4)
Suspension bridges (2)
Timber--Rafting (6)
Tourism (30)
Trail riding (2)
Transportation (52)
Transportation--Passenger traffic (3)
Travel (11)
Trees in winter (1)
Tugboats (1)
Tunnels (10)
Tunnels--Design and construction (2)
United States--Appropriations and expenditures (121)
United States--Armed Forces--Organization--Charts, diagrams, etc. (16)
United States. Congress--Records and correspondence (174)
Volcanoes (4)
Water resources development (31)
Water--Pollution (1)
Water-power (33)
Water-supply engineering (1)
Waterfalls (28)
Watershed management--Law and legislation (1)
Watersheds (1)
West (U.S.) (214)
Wickiups (1)
Wildlife conservation (3)
Winter (1)
Work boats (1)
