90 
Catalog. 
Glasgow [Scotland] Geological Society of Glasgow. 
Transactions, Vols. VI-VIII, IX pt. 1. + 14b 
Harrisburg [Penn.] Geological Survey of Pennsylvania.+ 
17a-b-c-d 
AA. Atlas—Southern Coal Field, parts 1-4. 
AA. Atlas—Southern Coal Field, part 4B. 
AA. Southern Coal Field, parts 5-6. 
AA. Atlas—Western Middle Coal Field, parts 
1-3. 
AA. Atlas—Northern Coal Field, parts 1-6. 
AA. Atlas—Eastern Middle Coal Field, parts 
1-3. 
AA. Anthracite Statistics, 1883-1884. 
C. York and Adams Counties, 1876. 
C 2 . York and Adams counties, 1877. 
C 3 . Lancaster County, with Atlas, 1880. 
C\ Chester County, 1883. 
C 5 . Delaware County, 1885. 
C 6 . Philadelphia and parts of Montgomery and 
Bucks Counties, 1882. 
C 7 . Atlas—Bucks and Montgomery Counties. 
D. Lehigh County Iron Mines, 1875. 
D 2 . Lehigh County Iron Mines, 1878. 
D 3 . Vol I, Lehigh and Northampton Counties* 
1883. 
; D 3 . Vol. II, Part 1, Berks County, 1883. 
D 3 . Atlas—Lehigh and Northampton Counties. 
D fe . Atlas—Cumberland, Franklin and Adams 
Counties. 
D 6 . Atlas—South Mtn. Sheets. 
E. Trap Dykes and Azoic Rocks of S. E. Penn- 
; sylvania, 1878. 
F. Mifflin, Snyder and Huntingdon Counties, 
1878. 
F 2 . Perry County, 1884. 
F*. Union, Snyder, Mifflin and Juniata Counties. 
G. Bradford and Tioga Counties, 1878. 
G 2 . Lycoming and Sullivan Counties, 1880. 
