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Page 5609, results 140201 - 140225

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Hydrology of the dunes area north of Coos Bay, Oregon
J. H. Robison
1973, Open-File Report 73-241
Hydrology of a 20-square-mile area of dunes along the central Oregon coast was studied. The area is underlain by 80 to 150 feet of Quaternary dune and marine sand which overlies Tertiary marine clay and shale. Ground water for industrial and municipal use is being withdrawn at a rate of...
Bottom features and processes related to drifting ice on the Arctic shelf, Alaska
Erk Reimnitz, Peter W. Barnes, Tau Rho Alpha
1973, Miscellaneous Field Studies Map 532
Early investigations of artic shelf regions led to the hypothesis that certain micro-relief forms are related to the action of grounded ice (for example, Rex, 1955). Since the introduction of side-scan sonar as a tool for ocean-floor surveys, a number of workers have described the occurrence of linear bottom features...
Interpretation; Apollo 9 photography of parts of southern Arizona and southern New Mexico
J. Robert Owen, Lynn M. Shown
1973, Open-File Report 73-215
Examination of small-scale (approximately 1:650,000) multispectral photographs obtained on the Apollo 9 mission in March 1969 revealed that in semiarid, regions features due to differences in soils or quantity of vegetation could most easily be discriminated on the color infrared photographs. Where there is sufficient ground truth, it is possible...
Chemical interactions of aluminum with aqueous silica at 25 degrees Celsius
John David Hem, C. E. Roberson, Carol J. Lind, W.L. Polxer
1973, Water Supply Paper 1827-E
Solutions containing from 10 -5 to 10 -2 moles per liter of aluminum and dissolved silica in various ratios were aged at pH levels between 4 and 10 at 25?C. A colloidal amorphous product having the composition of halloysite was produced in most solutions. It had a consistent and reversible...