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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 72 (1988)

Issue: 10B. (October Part B)

First Page: 368

Last Page: 377

Title: Developments in Previous HitCoalNext Hit in 1987

Author(s): Samuel A. Friedman (2), Colin G. Treworgy (3), Carl J. Smith (4), J. A. Aylsworth (5)

Abstract:

In 1987, United States mines in 26 states produced a record 930.58 million (short) tons of Previous HitcoalNext Hit, an increase of 3.3% from a revised 900.5 million tons produced in 1986. Of this Previous HitcoalNext Hit, the Eastern Previous HitcoalNext Hit province produced approximately 48.3%, the western Previous HitcoalNext Hit provinces (Northern Great Plains, Rocky Mountain, Pacific Coast, and Alaska) produced 29.3%, the Interior Previous HitcoalNext Hit province produced 16.6%, and the Gulf Previous HitcoalNext Hit province produced 5.7%. In rank, 0.6% was anthracite, 66.4% was bituminous, 24.6% was subbituminous, and 8.4% was lignite. There were no significant percentage changes in production by Previous HitcoalNext Hit rank or by Previous HitcoalNext Hit province from 1986.

Operators of 2,335 Previous HitcoalNext Hit mines in Kentucky led the United States by producing 177.26 million tons of Previous HitcoalTop. Wyoming ranked second with 146.5 million tons, West Virginia was third with 137.67 million tons, Pennsylvania was fourth with 66.8 million tons, and Illinois was fifth with 60.7 million tons.

Canada produced 61.2 million metric tons.

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