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Subject Terms

SUBJECTS
    Names:
    • Matthes, Gerard Hendrik,1874-1959.
    • Ferguson,
    • French, Alexis H.
    • Matthes, Francois Emile.
    • Matthes, Mary Bewick.
    • American Society of Civil Engineers.
    • Colorado Power Company.
    • Fairchild Aerial Services.
    • Geological Survey (U.S.).
    • Ohio.Miami Conservancy District.
    • Pennsylvania.Water Commission.
    • Rocky Mountain Hydraulic Laboratory.
    • Tennessee Valley Authority,
    • United States Reclamation Service.
    • United States.Army.
    • United States.Committee on Photographic Surveying.
    • United States.Mississippi River Commission.
    Subjects:
    • Canals.
    • Dams.
    • Hydraulic engineering.
    • Eclipses, Solar--1901.
    • Irrigation.
    • River surveys.
    • Water-power.
    Places:
    • Atchafalaya River.
    • California River.
    • Mississippi River.
    • Missouri River.
    • Ohio River.
    • Potomac River.
    • Susquehanna River.
    • Tennessee River.
    Form and Genre Terms:
    • Blueprints.
    • Diaries.
    • Lantern slides.
    • Maps.
    • Photographs.
    • Scrapbooks.
    • Surveys.