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Page 6270, results 156726 - 156750

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Maps showing distribution of anomalous amounts of selected elements in stream-sediment and rock samples, Eagle quadrangle, Alaska
1972, Miscellaneous Field Studies Map 356
Maps showing the distribution of anomalous amounts of selected elements found in more than 1,600 stream-sediment and more than 1,500 rock samples have been prepared form results of semiquantitative spectrographic analyses. The samples were collected in the Eagle quadrangle, east-central Alaska, in the summers of 1968, 1969, 1970, and 1971. Figure...
Water resources data for Michigan, water year 1971; Part 1, Surface water records
Water Resources Division, U.S. Geological Survey
1972, Water Data Report MI-71-1
Surface-water records for the 1971 water year for gaging stations, partial-record stations, and miscellaneous sites within the State of Michigan are given in this report. For convenience there are also included records for a few pertinent gaging stations in bordering States. The records were collected and computed by the Water...
Reconnaissance geologic map of the west half of the Solomon quadrangle, Alaska
C.L. Sainsbury, Travis Hudson, Rodney Ewing, William R. Marsh
1972, Open-File Report 72-324
The Solomon quadrangle adjoins the Bering Sea east of Nome, Alaska. It has a common west border with the Nome quadrangle (Sainsbury and others, 1972b) and a common north border with the Bendeleben 1:250,000- scale quadrangle.Part of the area was mapped by Smith (1910), who discussed the rocks in some...
Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska
Robert M. Chapman, Warren Yeend
1972, Miscellaneous Field Studies Map 342
Mapping is based on both ground observations and aerial observations from a helicopter, August 11-19 and September 1-5, 1970, and supplemented by interpretation from aerial photographs. Bedrock geology chiefly by R.M. Chapman, and surficial geology chiefly by W.E. Yeend....