SECOND GEOLOGICAL SURVEY OF PENNSYLVANIA - REPORT OF PROGRESS
P. DESCRIPTION OF THE COAL FLORA OF PENNSYLVANIA
AND OF THE
CARBONIFEROUS FORMATION THROUGHOUT THE UNITED STATES
BY LEO LESQUEREUX; ©1879
Tables of Contents:
Volume I
Volume III
Volume II
Atlas    Index
All Four Volumes:
Scans and Webpage
©George Langford III, 2011
Vertical Distribution, pages 652-653
The sign (-) indicates that the species is present at all the localities of the column.
Symbol (°) indicates uncertain geological distribution or locality.
Erratum: In Column G (Bituminous), subsitute St. Clairsville for Helansville.
Lesquereux pages 652 - 653