. [Reports vol. I-XIII]. ed results abundantly confirmingthose obtained at Sprague. The work here was apparentlybegun below the horizon of the Mulberry coal worked at Sprague,the first given in the last record. The results are as follows: SBCTtoy ft 5 In. of coal. Becord soath ofSprague. 1. At a depth of 58 2. 96 3. 107 4. 188 5. 212 6. 221 7. 231 6 4 8 12 10 22 The last bed. No. 7, is probably the equivalent of No. 7 ofSection 19, or the Rich Hill bed. At Hume, about 8 miles west of Sprague, the Mulberry coal is similarly worked by stripping. As exposed some two miles ooai near Hume, so
. [Reports vol. I-XIII]. ed results abundantly confirmingthose obtained at Sprague. The work here was apparentlybegun below the horizon of the Mulberry coal worked at Sprague,the first given in the last record. The results are as follows: SBCTtoy ft 5 In. of coal. Becord soath ofSprague. 1. At a depth of 58 2. 96 3. 107 4. 188 5. 212 6. 221 7. 231 6 4 8 12 10 22 The last bed. No. 7, is probably the equivalent of No. 7 ofSection 19, or the Rich Hill bed. At Hume, about 8 miles west of Sprague, the Mulberry coal is similarly worked by stripping. As exposed some two miles ooai near Hume, south of the town it is described by Broadhead as varying from 20 to 34 inches in thickness. A few miles north of the town, on the headwaters of Walnut creek, it reaches 3 ft. in thickness. Al Foster, coal is stripped on a large scale, at several bed is in all probability the Mulberry coal. A sectionmeasured at the Walnut Land and Coal stripping is asfollows: Feet. Inches. Soil and clay. Section at Shale, drab. Coal. Clay (?) Fig. 103. Section of coal bedat Foster. SYSTEMATIC DESCRIPTION OF COAL BEDS. 149 Limestone crops out quite close to the coal stripping here,and is well exposed in an abandoned railway cut. It probablyclosely underlies the coal and undulates with it, which wouldaccount for its being, in places, at a higher elevation than the ^^^^^^^n?coal at adjacent points. The limestone is, apparently, about 6ft. thick or more, has a very irregular fracture and contains agood deal of chert and remains of the coral Ohaeletes. It isimmediately underlain by about two ft. of hard, dark compactlimestone, and under this is black fissile shale. West of Foster, and south of the Marais des Cygnes river, are-several other occurrences of this same coal bed, along Walnut Coai alongwainnt _ <= [creek. ereek and its tributaries. The thickness remains almostconstantly about 3 ft. At Amoret, west of the Marais des Cygnes river, mining on alarge scale has recent
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