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1/4 Scale Detail of Stair at End of Wing, Old Faithful Inn, Yellowstone National Park, 1927
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1/4 Scale Plan of Porch and Main Stairs, Old Faithful Inn, Yellowstone National Park, 1927
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12 Inch Butterfly Valve with 9 Inch Relief Outlet, D'Olier Engineering Company
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12 Inch Butterfly Valve with 9 Inch Relief Outlet, D'Olier Engineering Company
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12 Inch Butterfly Valve, D'Olier Engineering Company
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1852 map showing the location of the Indian Tribes within the United States
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1883 bird's eye view of Deer Lodge City, county seat of Deer Lodge Co., Montana
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1921 map of Wibaux County, Montana
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1932 Master Plan, Yellowstone National Park
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1933 Master Plan, Yellowstone National Park
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1939 Master Plan, Yellowstone National Park
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1940 Master Plan, Yellowstone National Park
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1941 Master Plan, Yellowstone National Park
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1942 Master Plan, Yellowstone National Park
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1952 Master Plan, Yellowstone National Park
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1954 Master Plan, Yellowstone National Park
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1963 Master Plan, Yellowstone National Park
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1965 Master Plan, Yellowstone National Park
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1980 stream evaluation map, State of Montana.
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1st Floor Plan, Lake Hotel, Yellowstone Park, Plan of Bed Rooms, 1919
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2nd Floor, Lake Hotel, Yellowstone Park, Plan of Bed Rooms, 1919
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3rd Floor, Lake Hotel, Yellowstone Park, Plan of Bed Rooms, 1919
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A Boat House at the Lake, Yellowstone National Park, 1926
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A map exhibiting all the new discoveries in the interior parts of North America
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Addition to Canyon Cafeteria & Housekeepers Headquarters, Yellowstone Park Camp Company, 1935
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Addition to Central Building, Canyon Camp, Yellowstone Park Camps Company, 1935
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Addition to Dining Room, Old Faithful Inn, Yellowstone National Park, 1927
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Addition to Girls Dormitory, Canyon Hotel, Yellowstone Park Hotel Company, Wyoming, 1929
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Addition to Girls Dormitory, Canyon Hotel, Yellowstone Park Hotel Company, Yellowstone Park, Wyoming, 1929
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Addition to Kitchen, Old Faithful Inn, Yellowstone Park Hotel Company, 1929
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Addition to Mammoth Hotel, Yellowstone Park, Wyoming
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Addition to Mammoth Hotel, Yellowstone Park, Wyoming
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Addition to Old Faithful Inn, Sheet 2 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Sheet 3 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Sheet 4 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Sheet 5 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Sheet 7 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Sheet 8 [of 8], Yellowstone National Park, 1927
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Addition to Old Faithful Inn, Yellowstone National Park., circa 1927
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Addition to Old Faithful Inn, for Yellowstone Park Hotel Company, Yellowstone Park Wyoming, circa 1927
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Addition to the Old Faithful Inn, Yellowstone Park, Wyoming
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Additions to Canyon Mess House, Yellowstone Park Transportation Company, 1926
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Additions to Canyon Mess House, Yellowstone Park Transportation Company, 1926
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Administration & Service Building, Mammoth Public Automobile Camp, Yellowstone Park Camps Company, 1927
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