Optima Dam and Reservoir, North Canadian River, Oklahoma

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Optima Dam and Reservoir, North Canadian River, Oklahoma

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Optima Lake, North Canadian River, Oklahoma

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OPTIMA LAKE, NORTH CANADIAN RIVER, OKLAHOMA; DESIGN MEMORANDUM NO.21, RESERVOIR CLEARING.

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Optima Lake, North Canadian River, Oklahoma

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OPTIMA LAKE, NORTH CANADIAN RIVER, OKLAHOMA; DESIGN MEMORANDUM NO.4-2, REAL ESTATE FOR REMAINDER OF RESERVOIR.

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OPTIMA LAKE, NORTH CANADIAN RIVER, OKLAHOMA; DESIGN MEMORANDUM NO.3A, PRELIMINARY MASTER PLAN, PART OF THE MASTER PLAN FOR OPTIMA RESERVOIR.

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Optima Lake, North Canadian River, Oklahoma

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Optima Lake, North Canadian River, Oklahoma

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OPTIMA LAKE, NORTH CANADIAN RIVER, OKLAHOMA; DESIGN MEMORANDUM NO.4-1, REAL ESTATE FOR DAM SITE, PUBLIC USE AREAS, AIRFIELD, AND ACCESS ROADS.

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