DESCRIPTION: Large, very rare map of the first Federal hydroelectric energy project, updated to show hydrological improvements and issued revised 8-7-1959. An untitled birds-eye view map of the Salt River Project by T.A. Hayden, centered near Phoenix, Arizona. Similar to, but covering a larger area, than a small format map of the region by Hayden from 1934, now housed at Arizona State University.
Blue-line print hand-colored and enhanced with small red paste-on stickers and larger, manuscript lettering for cities. Shows the rivers, dams, reservoirs, lakes, and canals . Particular interest is indicated for reservoirs and canals as they have been hand colored in white and bright blue respectively.
The beginning of federal production of electric power occurred on the Salt River Project when Congress, in 1906, authorized the Reclamation Service to develop and sell hydroelectric power from the project. The map is significant because it was updated in 1959 when the original name "Salt River Dam #1" was changed to the name in use today: Roosevelt Dam.
Coverage is bound to the west by Gila Bend and to the east by Superior, AZ. Northern coverage ends above Prescott, Arizona, and to the south the map extends as far as Casa Grande.
The map has an interesting orientation with North oriented about 35 degrees to the left and that with the birdseye perspective, the large size, and the township and range grid of the Public Lands Survey System all give the map a commanding appearance.
In the 1930's T.A. Hayden was the Chief Assistant Engineer with the Salt River Valley Water User's Association, Phoenix. Copyrighted 1932 and Revised 1934 by T.A. Hayden. Final revision 1959. Phoenix, Arizona.
PUBLICATION DATE: 1959
GEOGRAPHIC AREA: United States
BODY OF WATER: Salt River / Gila River
CONDITION: Good.
Solid, laid to linen. Wrinkles, grubby. Holes in corners but no tears or major condition issues.
COLORING: Contemporary hand coloring.
ENGRAVER:
SIZE: 70
" x
40 "
ITEM PHYSICAL LOCATION: 1409
PRICE: $2500
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