RT Journal Article
SR Electronic
T1 The volcanic rocks of South Mountain in Pennsylvania and Maryland
JF American Journal of Science
JO Am J Sci
FD American Journal of Science
SP 482
OP 496
DO 10.2475/ajs.s3-44.264.482
VO s3-44
IS 264
A1 George Huntington Williams
YR 1892
UL http://www.ajsonline.org/content/s3-44/264/482.abstract
AB