JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.15.8, SUPPLEMENT NO.1, POWERHOUSE MECHANICAL EQUIPMENT.

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.15.8, SUPPLEMENT NO.2, POWERHOUSE MECHANICAL EQUIPMENT (EMERGENCY GANTRY CRANE).

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.15.8, POWERHOUSE MECHANICAL DESIGN.

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John Day Lock and Dam, Columbia River, Oregon and Washington

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.7, SUPPLEMENT NO.1, REVISIONS IN DESIGN AND COST ALLOCATION.

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.12, SUPPLEMENT NO.1, DOMESTIC WATER SYSTEM.

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.48, SUPPLEMENT NO.1, STRUCTURAL REPAIR.

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JOHN DAY LOCK AND DAM--LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.48, SUPPLEMENT NO.2, SUMMARY OF REPAIR DETAILS.

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.11, VOLUME 1, SUPPLEMENT NO.2, RELOCATION FOUNDATION TREATMENT, ARLINGTON, OREGON.

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JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.5, SUPPLEMENT NO.1, DESIGN AND COST REVISIONS.

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