Water-Supply Paper Volume 329-331

Water-Supply Paper Volume 329-331

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: ... discharge, in second-fat, of Chewaucan River above Conn's ditch, near Paisley, Oreg., for year ending Sept. SO, 1912. o Computed from measurement at Paisley by adding estimated discharge of Conn's ditch. Note.--Discharge determined from a rating curve fairly well denned between 100 and 500 second-feet. Discharge estimated July 14 to 31 and interpolated for missing days between Apr. 3 and July 13. Monthly discharge of Chewaucan River above Conn's ditch, near Paisley, Oreg., for year ending Sept. 30, 1912. Note.--Means for August and September were estimated by comparison with records for station and Chewaucan River at the dam site. CHEWAUCAN RIVER AT PAISLEY, OREG. Location.--Half a mile above the town of Paisley, in the SE. J sec. 23, T. 33 S., R. 18 E. Records available.--January 4, 1905, to December 31, 1907; January 17, 1909, to April 15, 1912, when station was discontinued. Drainage area.--272 square miles. Gage.--Vertical staff. Channel.--Probably permanent; bed composed of clean gravel; banks subject to some overflow at stages above gage height 8 feet. Discharge measurements.--Made from cable 60 feet below gage, or by wading. Winter flow.--Affected by ice. Diversions.--The station is above all diversions except George Conn's irrigation ditch, which heads about 2J miles above the gage on the left bank, and diverts water around the station. Conn's mill ditch diverts water from the left bank about 250 feet below the gage, where a low timber dam has been constructed. The current is fairly swift between the gage and the dam and practically no backwater was noticeable prior to 1910. During 1910 there was probably a little backwater. During the low water of 1911 flash boards were used on the dam, producing backwater at the gage. The...show more

Product details

  • Paperback | 216 pages
  • 189 x 246 x 12mm | 395g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236795229
  • 9781236795229