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651 - 675 of 1414 Items << < 22 23 24 25 26 27 28 29 30 31 > >>
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Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Workman in the foreground is applying white pigmented curing compound. The two men on the platform in the bottom of the ditch are filling grooves with mastic. The...
1950-05-03
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Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Guntert and Zimmerman trimmer (front view) at about station 1050. This machine is trimming the canal bottom and slopes to the neat line of the under-side of the...
1950-04-17
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Columbia Basin Project, Irrigation Division, 1st section, Potholes East Canal, Specs. 2787. 120 B dragline electrically operated excavating canal section at station 328. Work is being performed by Guy F. Atkinson Co. under above specifications....
1950-06-22
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Columbia Basin Project, Irrigation Division, 3rd Section East Low Canal and Weber Wasteway Turnout. Specifications No. 2879. Rock pockets caused by insufficient vibration. Note the reinforcing steel in the lower right corner of the photograph and...
1950-09-22
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Columbia Basin Project--Irrigation Division--Concrete Laboratory, Ephrata, Washington. Photo illustrates method used to test efficiency of two-inch square butt-welded reinforcing steep specimens being placed on Soap Lake Siphon contract. Test...
1949-06-28
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Columbia Basin Project, Irrigation Division, West Canal. Spec. # 1286--Utah construction Co. and Winston Bros. Co. Contractor. Close up view of concrete bucket used in placing of concrete in canal lining in Section 3. Immediately after concrete is...
1947-07-17
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Columbia Basin Project, Irrigation Division, Pasco Settlers. Typical pasture scene at the A.R. Thurman farm, Unit 27. Many settlers on the project are acquiring fine dairy herds. H. Foss, photographer
1950-08-28
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View showing application of mixture of heated 60-70 penetration asphalt and diatomaceous earth to subgrade which has previously had two applications of headed RC-0 asphalt. This is an experimental prime membrane lining section on Pasco Pump...
1947-07-19
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Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specifications 2411. The General Electric dry film thickness gage is being used to ascertain that the completed coal-tar enamel coating thickness conforms to specification requirements...
1950-07-17
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Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specs 2411. This photograph shows the gravel trap sump and the baffles with their drains very clearly. Flow is from upper right to lower left of the picture. The iron ladder steps for...
1950-06-21
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Columbia Basin Project, Irrigation Division, 2nd section West Canal, Specs. 2541. Job-made A.E.A. dispenser on one of the Koehring 34E concrete mixers being examined by Chief Inspector Lloyd C. Russell. It is the rubber bag type, actuated by the...
1950-03-05
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Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Close-up of lining machine showing trailing edge of slip form and hinged spring-loaded pressure plate extending the full length of the slope to trowel the concrete....
1950-05-05
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Columbia Basin Project, Irrigation Division, Winchester Wasteway, Specs. 2648. Placing concrete on the floor slap of the Winchester Wateway chute in the vicinity of station 21+00. In foreground workmen are placing the paving forms which serve as a...
1950-05-08
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Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Close-up showing drive mechanism excavating buckets and conveyor belts on the right front side of the trimmer. Left side is similar. Work is being performed by...
1950-06-16
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Columbia Basin Project, Irrigation Division, 1st section, Potholes East Canal, Specs. 2787. 54 B dragline excavating shot rock and loading into 18 cy. Yd. dump trucks hauling and wasting on right of station 231/00. Work is being performed by Guy...
1950-06-22
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Columbia Basin Project, Irrigation Division, Long Lake Dam. Spec. #1401--J.A. Terteling and Sons, Contractor. Looking west at west abutment showing cut-off wall and rock fracture at Station 8+00. Long Lake Dam is two miles northeast of Stratford,...
1947-10-01
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Columbia Basin Project. Irrigation Division, Bacon Tunnel, Specifications 1236, T.R. Connolly, Inc., Contractors. Looking upstream at the outlet portal of Bacon Tunnel portal structure and open transition is complete except for backfilling and...
1948-11-22
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Columbia Basin Project, Irrigation Division, Concrete Laboratory, Ephrata, Washington. View shows fracture area of reinforcing steel specimens tested in laboratory tensile machine. The two-inch square butt-welded specimens, machined to 1 1/2...
1949-06-28
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1 ms. map ; 40 x 49 cm. This is a manuscript map probably drawn by Judge Brown describing two tracts of land where the original Fort Okanogan and "Fort Okanogan on the Columbia" stood.
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Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Inlet end of completed drain inlet at station 1175+44. Work is being performed by Morrison-Knudsen, Inc. under Schedule 2 of above Specifications. H.E. Foss,...
1950-06-16
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Columbia Basin Project, Irrigation Division. Corn crop at Moses Lake Predevelopment Farm. A.W. Bauman, photographer
1947-08-12
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View showing automatic siphon on Pasco Pump Lateral system, PP-6.0 Sta. 52+00. This feature constructed by J.A. Terteling and Sons, Inc., Specifications 1230
1947-09-06
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View showing equipment and placing of 1 1/2 inch thick pneumatically applied mortar lining on Pasco Pump lateral system PP-6.0-0.5 lateral vicinity sta. 4+00. This section is under construction 10 to 15 miles northwest of Pasco, Wash. By J.A....
1947-04-02
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Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 2, Long Lake Dam Headworks and Concrete Canal Lining and Structures Station74+80 to Station 1101+29.00--Main Canal. Contractor: Western Contracting Corp. Front view of...
1949-09-15
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