Ohio, Brooke and Hancock counties . £OJ? D/i0c/9/£p //9/M ?SP_i PJOJ ///q y& jo/u//>£. INTRODUCTION XI upon surveys executed by Mr. C. C. Smith, civil engineer, ofWheeling, W. Va., under the direction of the Wheeling Boardof Trade. The amount of filling shown under the bed of theriver is based upon the results found at Dam No. n, just belowWellsburg, and at other points along the Ohio river betweenWheeling and Parkersburg, in which never more than an averageof 30 to 35 feet of filling has been found in the bed of the Ohiobelow water level. The sketch was reduced for publication byMr. Ray V.

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Ohio, Brooke and Hancock counties . £OJ? D/i0c/9/£p //9/M ?SP_i PJOJ ///q y& jo/u//>£. INTRODUCTION XI upon surveys executed by Mr. C. C. Smith, civil engineer, ofWheeling, W. Va., under the direction of the Wheeling Boardof Trade. The amount of filling shown under the bed of theriver is based upon the results found at Dam No. n, just belowWellsburg, and at other points along the Ohio river betweenWheeling and Parkersburg, in which never more than an averageof 30 to 35 feet of filling has been found in the bed of the Ohiobelow water level. The sketch was reduced for publication byMr. Ray V. Hennen, Assistant Geologist of the Survey, from thelarge scale drawing of Mr. Smith, to which was added the under-lying rock formations as developed by the drill. The test hole was sunk by the Christman Company of Mas-silon, Ohio, the immediate supervision of the drilling being com-mitted to Mr. j. C. McKinley, the coal and coke operator ofWheeling, W. Va., to whose active and intelligent interest in thework, in co-operation with Mr. R. B. Naylor, the very efficientsecretary of the W

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