DCNR_20027572 - Pennsylvania Department of Conservation and ...

PUBLICATIONS
1969-APRIL, 1970
Adams, R. W., 1970, Loyalhanna limestone · cross-bedding and provenance, in
Fisher, G. W. and others, ed., Studies of Appalachian geology: Central and
Southern: New York, John Wiley and Sons.
Bret sky, Peter W., and others, 1969, Brachiopod ecology in the Ordovician of
Eastern Pennsylvania. Jour. of Paleontology, v. 43, no. 2.
Bretsky, Peter, W., 1969, Central Appalachian late Ordovician communities. Geol.
Soc. America Bull.
Bretsky, Peter, W., 1969, Brachiopod ecology in the Ordovician of eastern Pennsyl·
vania, Jour. Paleontology.
Carter, W. D., 1969, TheW. L. Newman Phosphat e Mine, Juniata County, Pennsyl·
vania. Penna. Geol. Sur. 4th ser., Int. Cir. 64.
Chafetz, H., 1969, Petrography and stratigraphy of carbonate rocks of the Lower
and Middle Ordovician. Penna. Geol. Survey, 4th ser., Gen. Geol. Rept. 58.
Cramer, Fritz H. , 1969, Possible implications for Silurian Paleogeography from
Phytoplankton assemblages of t he Rose Hill and Tuscarora of Pennsylvania.
Jour. of Paleontology, v. 43, no. 2.
Dahl bert, Eric C., 1969, Use of model for relating geochemical prospecting data t o
geological attributes of a region, South Mountain, Pennsylvania in International
Geochemical Exploration Symposium: Col. School Mines Quarterly, v. 64, no.
1.
Deasy, George F. and Phyllis R. Griess, 1969, Economics of Pennsylvania's clay
and shale production, Part 2-B. Penna. Geol. Survey, 4th ser., Min. Res. Rept.
50.
Deike, R. G., 1969, Relations of pointing to orientation of solu tion cavities in
limestones of central Pennsylvania. Am. Jou r. Sci.
Edgerton, C. D., 1969, Peat bog investigations in northeastern Pennsylvania.
Penna. Geol. Survey, 4th ser., Int. Cir. 65.
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