Coals of the state of Washington - Tapa blanda

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...value. The coal of the lower bench of bed No. 6 is pitch black and has a dark-brown streak and a vitreous luster. It is slightly banded and has an irregular splintery fracture. It contains a small amount of moisture and does not weather when exposed to the atmosphere. In ash content, which is moderate, the coal compares favorably with the best coal in bed No. 5 at Bayne and the coal from bedNo. 3 at Occidental. The coal from bed No. 4 and from the upper bench of bed No. 6 shows a tendency to coke and that from the lower part of bed No. 6 should produce fairly good coke. This coal should be classed as a fair grade of bituminous coal. EUREKA. Eureka, abandoned water-level mine about 1 mile south of Bayne. No. 23. Kind of coal: Bituminous. Coal bed.--The coal bed belongs to the same group of beds as that exposed in the mine of the Green River Coal Co. at Bayne. It strikes N. 85 W. and dips 38 SW. The bed, as exposed in the gangway, contains a great number of partings of shale and bony coal, and only a portion of it is pure enough to be mined economically at the present time. The section following was measured. Section of coal bed in Eureka (abandoned) mine. No. 9294. Ft. in. Shale, black, carbonaceous 1 1 Coal 1 Shale, brown 2J (Joal 2 1 Coal, crushed, and carbonaceous shale? 1 "Sulphur" band and sandy shale 2 Coal 94 Hone and shale 5 Coal H Shale 2 Coal 5 Shale 1 Coal:ij Bone and shale 2 Mixture bone and shale crushed 1 7 Bone 3J Coal, crushed, bony ( Shale, carbonaceous 24 + 10 104 Sample for analysis.--Sample 9294 was taken from the side of the gangway 174 feet from the entrance to the mine. Two partings which occur in the bed can be separated by careful picking and washing, and were not included in the sample. The analysis of the sample is given ...