Biennial report for 1913 and 1914; administrative report and economic and geological papers . 96 60 58185 42 65 65100 90105100 75 80 80130 85140176 65 35 55123175150 60 40110 AltitudeTotal depth at bottomof well Feet156 96102 76101182172 74 659077 11750 13796 6058 185426565 10090 105 100758080 230 85 140 177 65 35 55 123 175 150 60 40 110 Feet502 573568590565484480576 565550556503575510570 595600471590360575530550530540570580560420 610555530625610573542495500585595520 COLCHESTER AND MACOMB QUADRANGLES 87 Location Depth indrift Total depth Altitude at bottom of well NE. YA NE. % sec. 28. SE. YA
Biennial report for 1913 and 1914; administrative report and economic and geological papers . 96 60 58185 42 65 65100 90105100 75 80 80130 85140176 65 35 55123175150 60 40110 AltitudeTotal depth at bottomof well Feet156 96102 76101182172 74 659077 11750 13796 6058 185426565 10090 105 100758080 230 85 140 177 65 35 55 123 175 150 60 40 110 Feet502 573568590565484480576 565550556503575510570 595600471590360575530550530540570580560420 610555530625610573542495500585595520 COLCHESTER AND MACOMB QUADRANGLES 87 Location Depth indrift Total depth Altitude at bottom of well NE. YA NE. % sec. 28. SE. YA NE. yA sec. , NW. VA SW. y sec. 35T. 5 N., R. 3 W.— SE. y SE. J4 sec. , NE. J4 SE. i/4 sec. NE. J4 NE. yA sec. NE. 14 NE. y sec. SW. y NE. y sec. 33., SW. >4 SE. y sec. 36.,T. 6 N., R. 1 W.— SE. y SW. J4 sec. SE. y NE. 54 sec. , SE. y SW. y sec. NE. # SE. y sec. NE. y SW. K sec. 29., NE. y NE. 54 sec. 29., SW. y SE. 34 sec. NE. y NE. y sec. NW. ^ NE. ^ sec. 6 N., R. 2 W.— NE. y NE. 54 sec. SE. y SE. 54 sec. Feet550528562 594560570 575488584 572550549575565542587552560 597602 Coal Xo. 2 contains no persistent partings of incombustible matter,but bears locally a few short lenses and small nodules of iron pyrites(sulphur), films of mother coal, calcite and gypsum, and streaks of boneone inch and less thick. The coal is jet black with a few alternating bandsof duller luster. The fracture is hackley, and no well-developed vertical orhorizontal cleavages are noticeable. As only a comparatively small num-ber of horsebacks, clay slips, and rolls and potholes in the roof are present,the bed presents quite uniform mining conditions. Near Colchester coal No. 2 varies only a few inches from an averagethickness of 28 inches. North of East Fork and near Tennessee it issomewhat thinner in places. The roof is a fairly strong, light-drab clayshale ( ^soapstone). The underclay is soft and 3 to 4 feet thick, but af
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectgeology
