The ferns of the county line serpentinite dike Read more about The ferns of the county line serpentinite dike
The herpetofauna of Nottingham Park and the Serpentine Barrens of Chester County, Pennsylvania Read more about The herpetofauna of Nottingham Park and the Serpentine Barrens of Chester County, Pennsylvania
Some Pennsylvania barrens and their flora. I. Serpentine Read more about Some Pennsylvania barrens and their flora. I. Serpentine
Plant bugs (Heteroptera: Miridae) of Phlox subulata and other narrow-leaved phloxes in eastern United States Read more about Plant bugs (Heteroptera: Miridae) of Phlox subulata and other narrow-leaved phloxes in eastern United States
Diabrotica cristata, a chrysomelid (Coleoptera) of relict midwestern prairies discovered in eastern serpentine barrens Read more about Diabrotica cristata, a chrysomelid (Coleoptera) of relict midwestern prairies discovered in eastern serpentine barrens
A preliminary herpetological survey in the serpentine barrens of Chester County, Pennsylvania Read more about A preliminary herpetological survey in the serpentine barrens of Chester County, Pennsylvania
Steatite quarries of northeastern Maryland and southeastern Pennsylvania: an analysis of quarrying technology Read more about Steatite quarries of northeastern Maryland and southeastern Pennsylvania: an analysis of quarrying technology
Early Paleozoic metamorphism at two crustal levels and a tectonic model for the Pennsylvania-Delaware Piedmont Read more about Early Paleozoic metamorphism at two crustal levels and a tectonic model for the Pennsylvania-Delaware Piedmont
Vegetation structure and flora of the Pilot serpentine area in Maryland Read more about Vegetation structure and flora of the Pilot serpentine area in Maryland