National Natural Landmarks review form: Unionville Serpentine Barrens, Chester County, Pennsylvania Read more about National Natural Landmarks review form: Unionville Serpentine Barrens, Chester County, Pennsylvania
Plants identified on 73 visits to 32 serpentine sites in Pennsylvania and Delaware, 1982-83 Read more about Plants identified on 73 visits to 32 serpentine sites in Pennsylvania and Delaware, 1982-83
Floral inventory of the Goat Hill serpentine barren Read more about Floral inventory of the Goat Hill serpentine barren
Preliminary Report on the Chromite Occurrence at the Wood Mine, Pennsylvania Read more about Preliminary Report on the Chromite Occurrence at the Wood Mine, Pennsylvania
Soil surveys of Chester and Delaware Counties, Pennsylvania Read more about Soil surveys of Chester and Delaware Counties, Pennsylvania
Exchangeable calcium and magnesium levels in Allegheny mound-ant (Formica exsectoides F., Hymenoptera: Formicidae) anthills on Pink Hill, a serpentine barrens in Tyler Arboretum, Delaware County, Pennsylvania Read more about Exchangeable calcium and magnesium levels in Allegheny mound-ant (Formica exsectoides F., Hymenoptera: Formicidae) anthills on Pink Hill, a serpentine barrens in Tyler Arboretum, Delaware County, Pennsylvania
Willisbrook Barrens site fire management plan Read more about Willisbrook Barrens site fire management plan
Serpentine barrens in Chester County, Pennsylvania Read more about Serpentine barrens in Chester County, Pennsylvania
Soils and vegetation of the Unionville Serpentine outcrop Read more about Soils and vegetation of the Unionville Serpentine outcrop
Management Plan for Goat Hill Wild Plant Sanctuary Read more about Management Plan for Goat Hill Wild Plant Sanctuary