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.