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| ID Number |
3000883 |
| Historic Name |
PENSACOLA DAM |
| Description of Significance |
THE PENSACOLA DAM NEAR LANGLEY WAS THE FIRST HYDROELECTRIC FACILITY IN OKLAHOMA AND IS ALSO THE ONLY EXAMPLE OF A MULTIPLE-ARCH DAM IN THE STATE. IT IS ACCLAIMED TO BE THE LONGEST MULTI-ARCHED DAM IN THE WORLD. THREE BUILDINGS - A POWERHOUSE, A SUBSTATION, AND AN OBSERVATION HOUSE - AND FOUR STRUCTURES - THE MULTI-ARCHED DAM, TWO SPILLWAYS, AND A PUMPING/INTAKE STRUCTURE - COMPOSE THE DISTRICT. LOCATED ON GRAND RIVER, THE DAM CONSISTS OF FIFTY-ONE ARCH BARRELS SPANNING 4,284 FEET. THE DAM IS REINFORCED CONCRETE. JOHN DUNCAN FORSYTHE DESIGNED THE MODERN STYLED POWERHOUSE, A FIVE-STORY CONCRETE-WALLED BUILDING. THE POWERHOUSE IS 279 FEET LONG, 72 FEET WIDE, AND 80 FEET HIGH. THE LISTED IN NATIONAL REGISTER 9/2/2003. |
| Current Name |
GRAND RIVER DAM |
| Address |
STATE HIGHWAY 28 OVER GRAND RIVER, 1/2 MILE EAST OF INTERSECTION WITH STATE HIGHWAY 82 |
| City |
LANGLEY VICINITY |
| County |
MAYES |
| Lot |
|
| Block |
|
| Current Section |
|
| Township |
|
| Range |
|
| Type |
DISTRICT |
| Historic Function |
INDUSTRY/PROCESSING/EXTRACTION: ENERGY FACILITY |
| Current Function |
INDUSTRY/PROCESSING/EXTRACTION: ENERGY FACILITY |
| Area Signficance 1 |
ENGINEERING |
| Area Significance 2 |
|
| Date Prepared |
JUNE 2003 |
| Year Built |
1938 |
| Original Site |
YES |
| Architect/Builder |
FORSYTHE, JOHN DUNCAN - ARCHITECT; HOLWAY, W.R. - CONTRACTOR |
| Architectural Style |
OTHER: MULTIPLE ARCH DAMMODERN MOVEMENT: MODERNE |
| Roof Material |
ASPHALT |
| Wall Material |
CONCRETE |
| Window Material |
UNCOLLECTED |
| Door Material |
UNCOLLECTED |
| Decorative Details |
|
| Condition |
GOOD |
| Comments |
|
| Restricted |
N |
|