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  1. Arbor day and bird day ... October 27, 1922.
    By: Pennsylvania. - Ashley, George Hall, - Crabtree, Fred. - Finegan, Thomas Edward, - MacFarland, John Horace, - Pinchot, Gifford, - Shoemaker, Henry Wharton, - Sproul, William Cameron, - Stuart, Robert Young, - Watts, Ralph L.
    Publication info: Harrisburg,1922
    Contributed by: Library of Congress
    Subjects: 1847-1922  1858-1919  Arbor Day  Babcock, Charles Alonzo,  Bird Day  Flowers  Forests and forestry  Game and game-birds  Mines and mineral resources  Pennsylvania  Roosevelt, Theodore,  Soils  Water-power  
    BHL Collections: Library of Congress
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  2. Preliminary issue paper : the proposed addition of hydropower units and a reregulation facility to the Corps of Engineers' Libby Dam Project in Lincoln County, Montana.
    By: Montana.
    Publication info: Helena, Mont. :Montana Dept. of Natural Resources and Conservation,[1978]
    Contributed by: Montana State Library (archive.org)
    Subjects: Effect of dams on  Electric power production  Environmental aspects  Fishes  Hydroelectric power plants  Libby Dam (Mont.)  Lincoln County  Montana  Water-power  
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  3. A preliminary report on a part of the water powers of Alabama, by B. M. Hall.
    By: Hall, Benjamin Mortimer,
    Publication info: Montgomery :The Brown printing co.,1903.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Alabama  Water-power  
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  4. The use book; regulations and instruction for the use of the national forests, and manual of procedure for forest officer. Issued by the secretary of agriculture, Dec. 28, 1910. Water power. 1911.
    By: United States.
    Publication info: Washington,Govt. print. off.,1911.
    Contributed by: Library of Congress
    Subjects: Forest reserves  United States  Water-power  
    BHL Collections: Library of Congress
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