92 
Catalog. 
Harrisburg 
[Penn.] Geol. Survey of Pennsylvania—continued. 
P. 
Vols. I and II, Coal Flora of Pennsylvania 
and United States, 1880. 
P. 
Vol. Ill, Coal Flora of Pennsylvania and 
United States, 1884. 
P. 
Atlas of Coal Flora of Pennsylvania and 
United States, 1879. 
P 2 . 
Permian Flora of West Virginia and S. W. 
Pennsylvania, 1880. 
P 8 . 
Description of the Fossils Ceratio car idee 
and Eurypteridce , 1884. 
P 4 . 
Appendix. 
Q. 
Beaver, N. W. Allegheny, and S. Butler 
Counties, 1878. 
Q 2 . 
Lawrence County, 1879. 
Q 3 . 
Mercer County, 1880. 
Q 4 - 
Crawford and Erie Counties, 1881. 
R. 
McKean County, with Atlas, 1880. 
R 2 . 
Cameron, Elk and Forest Counties, part 2, 
with Atlas, 1885. 
T. 
Blair County, with Atlas, 1881. 
rp2 
Bedford and Fulton Counties, ] 882. 
rjp 
Huntingdon County, 1885. 
rju 
Centre County, 1884. 
V. 
North Butler County, 1879. 
V 2 . 
Clarion County, 1880. 
X. 
Geological Atlas of Counties, 1885, 
z. 
Terminal Moraine in Pennsylvania and 
Western New York. 
Annual Report, 1886, parts 1-4, 1887. 
Summary Final Report, Vol. II, Upper Silurian and 
Devonian. 
Harrisburg [Penn.] 2d Geological Survey of Penn. 
Grand Atlas. 
Division I, County Geol. Maps, pt. i; II, Anthra¬ 
cite Coal Fields, i—ii; III, Petroleum and 
Bituminous Coal Fields, i; IV, South Moun¬ 
tain and Great Valley Topographical Maps, 
i; V., Central and South Eastern Pennsyl¬ 
vania, i. + . 17d 
