The fossil plants of the coal measures of the United States [microform] : with descriptions of the new species, in the cabinet of the Pottsville Scientific Association /
Lesquereux, Leo,1806-1889.
Pottsville Scientific Association.
Pottsville : Printed by Benj. Bannan,
1858.
"Read before the Pottsville Scientific Association, and ordered to be published February 13th, 1858."
Sabin 40206
Microfiche.
Paleobotany
Paleobotany