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Analyses of Natural Gases, 1968.

Cardwell LE; Benton LF

MISSING :169 pages

10009330

This Bureau of Mines publication contains routine analyses and related source data for 495 natural gas samples from 21 states and three foreign countries. Of this total, 376 samples were collected during calendar year 1968. The remaining 119 analyses are of samples collected during previous years, but releases granting permission to publish the results were not received until 1968. All samples were collected as a part of a continuous survey of the free world for occurrences of helium in natural gas. This survey has been conducted in the United States by the Bureau of Mines since 1917 and in late 1965 was expanded to include foreign gasfields. The analyses published herein were made by mass spectrometer and a special helium analysis apparatus which are described in Bureau of Mines Bulletins 486 and 576. Ten previous publications have presented results of 8,165 gas analyses made by the Bureau of Mines Helium Activity prior to 1968. The first three, Bulletins 486, 576, and 617, contain analyses and related source data on 5,218 gas samples collected from 1917 through 1960. The other seven publications, which were published as Information Circulars, supplement the three bulletins and contain 2,947 analyses of samples collected since 1960. This publication is the eighth publication supplementing the three bulletins. (Out of print.)

19700101

IH; Information Circular;

1970

IC 8443

HEFO;

MISSING