Page:Second Geological Survey of Pennsylvania Report of Progress PPP.djvu/57

 H6. —1880; with colored map of county. By W. G. Platt. Price, $0 60; postage, $0 12.

H7. —1884: with a colored geological county map; outcrop map of me Houtzdale Basin, and coal bed sections in the text. By H. M. Chance. Price,$; postage, S.

I4.. By John F. Carll. (Sea Reports Pertoleum Fields.)

K. —1875, Bituminous Coal Fields. By J. J. Stevenson. 8 vo., pp. 420. illustrated by 3 sections and 2 county maps, showing the depth of the Pittsburgh and Waynesburg coal bed beneath the surface at numerous points. Price in paper, $0 65; postage, $0 16.

K2. of Western Pennsylvania—1876. By J. J. Stevenson; pp. 437, illustrated by 50 wood-cuts and 3 county maps colored. Part I. Eastern Allegheny County, and Fayette and Westmoreland Counties. westChestnut Ridge. Price, $1 40: postage. $0 20.

K3. of Western Pennsylvania—1877. By J. J. Stevenson. Pp. 331. Part'll. The. Illustrated with 107 wood-cuts, 2 plates, and 2 county maps, colored. Price, $1 10; postage,$0 16.

M, M2 and M3.. By Andrew S. McCreath. Contains coal analyses.

P. By Leo Lesqucreux.

P2. By Wm. M. Fontaine and I. C. White. (See Miscellaneous Reports.) Q. By I. C.White. Pp. 337 illustrated with 3 Geological maps of part of beaver, Butler, and Allegheny Counties, and 21 plates of vertical sections. 1875. Price, $1 40: postage, $0 20.

Q2. 1877. The Geology of, to which is appended a Special Report on the in Western Pennsylvania and Eastern Ohio. 8 vo., pp. 336, with a colored Geological Map of the county, and 134 Vertical sections. By I. C. White. Price, $0 70 postage, $0 15.

Q3. 1878 by I. C. White, with a colored geological map of county, and 119 vertical sections. 8 vo. pp. 233. Price $0 60; postage,$0 11.

R.. The Geology of, and its connection with that of and , with Atlas containing 8 sheets of maps and sections. By Chas. A. Ashburner. Price, $1 70;postage, $0 22.

T by Franklin Platt.

T2. By J.J Stevenson. (See Reports Central Pnnnsylvnnin.)

V. —1878. Part I The Northern Townships of Butler county. Part 11. A special survey made in 1875, along the Beaver and Shenango rivers, in, and. 8 vo., pp. 248, with 4 maps, 1 profile section and 154 vertical sections, By H. Martyn Chance. Price, $0 70; postage, $0 15