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Summary of reserves Methods of preparing estimates of reserves Classification according to characteristics of the coal Rank Weight Thickness Overburden Classification according to abundance and reliability of data Measured reserves  Indicated reserves  Inferred reserves Distinction between original, remaining, and recoverable reserves Methods of recording data and making calculations Page 1 1 1 Comparison of past and present estimates  Location of Belmont County Topography and drainage Transportation facilities Settlement and industry  Description of Pittsburgh coal bed in Belmont County  Area! extent Stratigraphy Regional structure Thickness Character.  Roof rock Quality History of mining Selected bibliography Page

Coal reserves of the Pittsburgh (No. 8) bed in Belmont County, Ohio