Results 201 to 209 of about 8,428 (209)

Pennsylvanian Climatic Summary

2015
openaire   +1 more source

Symposium on Pennsylvanian Problems

The Journal of Geology, 1947
openaire   +1 more source

Pennsylvanian (drilling) system

2014
openaire   +1 more source

Peat: Pennsylvanian Deposits

Nature, 1971
openaire   +1 more source

Paleoecological History of Pennsylvanian Black Shales

Ecology, 1964
openaire   +1 more source

Conodonts of the Mississippian/Pennsylvanian boundary interval in Central Iran

Journal of Asian Earth Sciences, 2014
exaly  

Cover all Pennsylvanians.

Pennsylvania dental journal, 2008
openaire   +1 more source

Pennsylvanian formations of southwest Virginia

1969
openaire   +1 more source

What Pennsylvanians Are Thankful for.

The Journal of comparative medicine and veterinary archives
openaire   +1 more source