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Excavation of lower diversion tunnels: photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 01
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 01
Archival Component
Three gravel pits, likely on Arizona side: photograph, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (1 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (2 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (3 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (4 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (5 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of first-aid and hospital buildings near the lower diversion tunnels and temporary bridge (6 of 6 views): photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
View of Colorado River and Black Canyon with temporary suspension bridge from above: photographs, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
Four cars driving on unfinished road, likely near Hoover Dam: photograph, approximately 1932
Archival Collection
To request this item in person:
Collection Number: PH-00206
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Collection Name: Ernest Mitchell Pratt Photographs
Box/Folder: Oversized Box 02
Archival Component
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