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Publication Extents

Not all publications have extents, not all extents are completely accurate
Mercury in soil gas and air--A potential tool in mineral exploration
Joseph Howard McCarthy, W.W. Vaughn, R. E. Learned, J. L. Meuschke
1969, Circular 609
The mercury content in soil gas and in the atmosphere was measured in several mining districts to test the possibility that the mercury content in the atmosphere is higher over ore deposits than over barren ground. At Cortez, Nev., the distribution of anorhalous amounts of mercury in the air collected...
(RLC-14) Geologic map of the Alphonsus region of the moon
M. H. Carr
1969, IMAP 599
This 1:250,000- scale geologic map is one of a series prepared largely from photographs transmitted by Ranger IX (reproduced in a report by Jet Propulsion Lab., 1966). It depicts the geology of the crater Alphonsus (in which Ranger IX impacted) and...