Analyses of Natural Gases, 1986-90.
MISSING :315 pages
This publication contains analyses and related source data for 920 natural gas samples from 26 states and 2 foreign countries. All samples were obtained and analyzed as part of U.S. Bureau of Mines investigations of the occurrences of helium in natural gases of countries with free market economies. This survey has been conducted since 1917. The analyses published herein were made by mass spectrometer and chromatograph.
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