SOUTH-EASTERN PENNSYLVANIA.
C. Report of Progress on York and Adams Counties—1874. By Persifor Frazer. 8vo., pp. 198, illustarted by 8 maps and sections and other illustrations. Price in paper, $0 85 ; postage, $0 10.
C. Report of Progress in Counties of York, Adams and Cucumber Land, and Franklin—1875. Illustrated by maps and cross-sections, showing the Magnetic and Micaeous Ore Belt near the western edge of the Mesozoic Sandstone and the two Azoic systems constituting the mass of the South Mountains. With a preliminary discussion on the Dillsburg Ore Bed and catalogue of specimens collected in 1875. By Persifor Frazer. Price, $1 25; postage $0 12.
C4. Report of Progress in 1877 . The Geology of Lancaster County, with an atlas containing a colored geological map of the county, local map of the Gap Nickel Mine, map and sections of the East Bank of Susquehanna River ; other geological sections across the county, and geological colored maps of York and Lancaster counties. By Persifor Frazer. 8 vo.,pp. 350. Price of Report and Atlas, $2 20 ; postage, $0 25.
C4. Geology of Chester Countym After the surveys of Henrey D. Rogers, Persifor Frazer and Charles E. Hall, edited by J. P. Lesley—with a colored geological map of the county, three lithographic plates and maps and sections in the text. Price, $0 75; postage, $0 18.
C6. Report of Progress. Geology of Philadelphia County, and of the Southern parts of Montgomery and Bucks. By Charles E. Hall. Pp. 145, with Geological map, sheet of colored cross-sections, and 24 page cuts. Price, $1 65; postage, $0 13.
D. Report of Progress in the Brown Hematite Ore Ranges of Lehigh County—1874, with descriptions of mines lying between Emaus, Alburtis, and Fogelsville. By Frederick Prime Jr. 8vo., pp.73, with a contour-line map and 8 cuts. Price in paper, $0 50; postage £0 04.
D2. The Brown Hematite Deposists of the Siluro-Cambrian Limestone of Lehigh County, lying between Shimersville, Schenecksville, Bellietsville, and the Lehigh river—1876–6. By Frederick Prime, Jr. 8 vo., pp. 99, with 5 map-sheets and 5 plates. Price, $1 60; postage, $0 12.
D3. Vol. I Report of Progress. Geology of Lehigh and Northampton Counties. General introduction,by J. P. Lesley. Slate Belt and Quarries, by R. A. Sanders. Water Gaps, by H.M Chance. Limestone Belt and Iron Ore Mines , by F. Prime.South Mountain Rocks, by F. Prime. Itinerary Survey, by C. E. Hall. Three lithograph and 3 artotype views of quarries, and an atlas. Pp. 283. Price, $0 65; postage, $0 13.
D3. Vol. II. Part I. Report of Progress. Geology of the South Mountain Belt of Berks County. By E.V. D'Invilliers. Illustrated by 18 page plates in the text, and by the maps in the Atlas. Pp. 441. Price, $0.55; postage, $ 018.
D3. Volumes I and II, Atlas, containing a colored counter map of Southern Northampton on 6 sheets, a contour map of the mountain on 18 sheets, a geological index map on 1 sheet, a colored geological map of Northampton and Lehigh Counties, and 4 maps of Iron Mines in Berks County. Price, $2 80;postage,$0 17.
D5. Maps of Adams, Franklin and Cumberland Counties. South Mountain Sheets A1, A2, B1 and B2. By A. E. Lehman. Price, $1 25; postage,$0 08.
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