Page 54

Metadata

Title
Page 54
Source
Colorado River problem
Is Part Of
http://digital.library.unlv.edu/u?/dig,8
Full text
TABLE 23.—Mechanical Analyses of Sands. Samples from the Route of the All-American Canal. Sample No, 1* Taken near Station 800 from Bottom of Sand-Drift. Sample No. 3* Taken near Station 800 from Top of Sand-Drift. Sample No. 7* Taken near Station 980 From Sand-Flat. Average percentage of three samples. Diameter, in millimeters. Percentage. Proportion, in ounces. Diameter, in millimeters. Percentage. Proportion, in ounces. Diameter, in millimeters. Percentage. Proportion, in ounces. 2 — 1 1 — 1/2 1/2 - 1/4 1/4 - 1/8 21.25 40.00 38.75 17.00 32.00O 31.00 1 — 2 1/2 —- 1 1/4 - 1/2 1/8 -1/4 5.62 46.25 48.13 4.50 37.00 38.50 1 — 2 1/2 — 1 1/4 - 1/2 1/8 -1/4 3.10 55.60 19.40 21.90 2.50 44.50 15.50 17.50 1.03 27.49 35.21 26.26 Samples from Similar Sand-Drifts in Different Parts of the United States.† Diameter, in millimeters. Rear slope of a dune, Alliance, Nebr. Rear slope of a dune, Tampico, Ill. Rear slope of a dune, New Boston, Ill. Rear slope of a dune, Alliance, Nebr. Rear slope of ad an e, Alliance, Nebr. Rear slope of a dune, Hooppole, Ill. Sand-drift, Griggs Company, North Dakota. Sand-drift. Average percentage. 16—8 8 — 4 4—2 2 — 1 1 - 1/2 1/2 — 1/4 1/4 - 1/8 .1/8 - 1/16 1/16 - 1/32 1/32 — 1/64 1/64 - 1/128 1/128 — 1/256 19. 30 45.20 30.70 2.40 0.40 Tr. 0.30 14.00 42.90 37.90 2.50 1.80 0.30 0.20 1.80 22.00 46.20 26.20 2.80 0.20 Tr. 9.00 80. 6.60 5.00 0.10 3.90 43.80 28.00 22.00 1.70 0.30 37.10 50.90 18.00 1.70 0.10 33 .70 49.40 15.00 0.10 12.40 34.60 33.00 17.20 2.00 0.30 9.70 44.40 40.70 4.00 0.30 6.20 39.20 29.40 23.40 1.20 1.55 27.84 38.80 35.88 5.59 0.59 Tr. Comparison of Averages. Diameter, in millimeters 1 - 2 1/2 - - 1 27.49 1/4 - 1/2 35.21 1/8 - 1/4 36.26 All-American Canal Similar sand drifts 1.03 1.55 27 .84 38.80 25.88 * See Fig. 17 for position of samples. Five pounds of each sample used. Analyses by J. C. Allison, M. Am. Soc. C. E. † Analysis taken from "Mechanical Composition of Wind Deposits", by John August Udden, 1898. 359

Cite this Item

When linking to this object, please use the following URL:

http://digital.library.unlv.edu/u?/lv_water,1663

Tags

Comments

Subscribe to recent comments

There are no comments yet. Be the first to comment below!

Comment on this object