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3926 - 3950 of 5942 Items << < 153 154 155 156 157 158 159 160 161 162 > >>
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The document describes the archiving of computer files used in the deep percolation numerical model employed to estimate recharge to the Columbia River Plateau regional aquifer system in Washington, Oregon, and Idaho.
1990-11-06
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Columbia Basin Project, Irrigation Division. Close-up of corn stalks at Development Farm at Moses Lake.
1947-08-12
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Columbia Basin Project, Irrigation Division, Pasco Settlers. At the M.E. Chefley farm, Unit 65, Mr. Chefley's father-in-law and son are helping to install 1200 feet of irrigation pipe. Here they have just completed pouring concrete for the turnout.
1950-03-14
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Columbia Basin Project, Irrigation Division, Pasco Settlers. Laying irrigation pipe (1200 feet) at the M.E. Chefley farm, unit 35. H. Foss, photographer
1950-03-14
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View looking downstream showing asphalt lining operations on 3-foot bottom lateral on Pasco Pump Lateral System, PP-1.8, Sta. 11+00. This feature under construction by J.A. Terteling and Sons, Inc., Specifications 1230
1947-06-23
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Columbia Basin Project, Irrigation Division, East Low Canal, Specification 1422, Utah Construction Co. and Winston Bros., Contractors. Cracking of an experimental section of the 4 1/2 inch reinforced concrete canal lining which was placed without...
1949-09-30
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Columbia Basin Project, Irrigation Division, East Low Canal, Specifications No. 1422--Utah Construction Co. and Winston Bros. Co., Contractor. Close-up view of some of the lining operation. Looking down on the lining as it appears at the rear of...
1948-08-26
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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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Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Columbia River Dam Calyx Drill Holes Location up to 1938
1939-01-24
2024-11-06 |
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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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1 map : hand col. ; 72 x 91 cm. "Bowen & Co. lith, Philada." Relief shown by hachures and spot heights; depths by soundings and gradient tints. Shows four proposed boundaries between the United States and British Columbia introduced to resolve the...
1868-11-06
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2024-11-06
2024-11-06 |
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of course, out of the question. I simply slid off backwards on to the bottom and wriggled forward in a sitting position until I felt my spine against the thwart. That brought her nose out of the clouds, and she settled down still farther when,...
2004-08-23
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Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington Grand Coulee Dam Outlet Works - El. 1136.67 102" Ring seal gate conduits installation
1937-10-22
2024-11-06 |
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A black-and-white photograph. At the bottom in white ink is written "No. 698 Foot trail bridge at Wah-kee-na Falls. Columbia Highway Ore." The leafy branches of a tree form a frame of the view to the left of the photo. Beyond, the white blur of...
2004-08-03
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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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