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Page 6330, results 158226 - 158250

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Water-level changes 1964-71, northern High Plains of Colorado
Warren E. Hofstra, John M. Klein, Thomas J. Major
1971, Open-File Report 72-166
Ground-water withdrawals for irrigation increased from about 84,000 acre-feet to 430,000 acre-feet per year between 1960 and 1970 in the northern High Plains of Colorado, causing significant water-level declines in areas where high-capacity wells are concentrated. The number of wells increased from about 500 in 1960 to 2,560 in 1970....
Preliminary documentation of the Apollo 15 samples
R. L. Sutton, M. H. Hait, E.W. Wolfe, R. M. Batson, N. G. Bailey, V. L. Freeman, K.B. Larson, W.R. Muehlberger, V. S. Reed, G. G. Schaber, G.A. Swann, R.L. Tyner, G. E. Ulrich, H. G. Wilshire
1971, Open-File Report 71-273
Blackbirds and the southern rice crop
Brooke Meanley
1971, Resource Publication 100
Blackbirds have been a problem to the rice grower since colonial times. The problem has existed wherever rice is grown because man, by his culture of rice (Oryza sativa), creates food-rich ricefield marshes that apparently are more attractive to blackbirds than the natural marshes in which they have flourished for...