69721 records — Page 1 of 6973
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Level:
file
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History

Maintenance of way expenses, repair costs, other railroad costs, number of cars hauled.

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Creators:
Engineering and Industry, Division of, NMAH, SI.
Dates:
1870 - 1880
Level:
item
Size:
1 Item (Ink on paper., 6.5" x 4.2")
Collection ID:
NMAH.AC.0225
Repository:
Archives Center, National Museum of American History
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item
Collection ID:
NMAH.AC.0060.S01.01.Engines
Repository:
Archives Center, National Museum of American History
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Level:
item
Collection ID:
NMAH.AC.0060.S01.01.Engines
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
NMAH.AC.0060.S01.01.Engineering
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
NMAH.AC.0060.S01.01.Engineering
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
NMAH.AC.0060.S01.01.Engineering
Repository:
Archives Center, National Museum of American History
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Creators:
American Academy of Environmental Engineers.
Dates:
1988-2005.
Size:
10.3 Cubic feet
Collection ID:
NMAH.AC.0591
Repository:
Archives Center, National Museum of American History

Contains entries by engineering firms and U.S. and local government entities in the AAEE annual competition, "Excellence in Environmental Engineering". The competitions are divided into categories: research, planning, design, operations/management, small projects, and university research. Each entry includes technical descriptions of the project, t...

Found In
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Level:
file
Collection ID:
NMAH.AC.0060.S01.01.Engineering
Repository:
Archives Center, National Museum of American History
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Level:
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Collection ID:
NMAH.AC.0060.S01.01.Engineering
Repository:
Archives Center, National Museum of American History
69721 records — Page 1 of 6973