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Reports of the several railroad companies of Pennsylvania
communicated by the auditor general to the legislature, January 22, 1864Harrisburg : Singerly & Myers, State Printers, 1864ETH-Bibliothek, Rar 16311 - Volltext durchsuchbar
On fucoides in the coal formations
read May 18th, 1866[Erscheinungsort nicht ermittelbar] : [Verlag nicht ermittelbar], [1866]ETH-Bibliothek, Rar 33593 - Volltext durchsuchbar
The geology of Lawrence County
to which is appended a special report on the correlation of the coal measures in Western Pennsylvania and Eastern OhioHarrisburg : published by the board of commissioners for the second geological survey, 1879ETH-Bibliothek, Rar 30263 - Volltext durchsuchbar
Coal flora of the carboniferous formation in Pennsylvania and throughout the United States /
1 : Description of the coal flora of the carboniferous formation in Pennsylvania and throughout the United StatesVol I. 1. cellular cryptogamous plants, fungi, thalassophytes. 2. vascular cryptogamous plants, calamariae, filicaceae (ferns.) ; Vol II. 1. lycopodiaceae. 2. sigillariae. 3. gymnospermsHarrisburg : published by the board of commissioners for the second geological survey, 1880ETH-Bibliothek, Rar 30261: 1 - Volltext durchsuchbar
The geology of Mercer County
Harrisburg : published by the board of commissioners for the second geological survey, 1880ETH-Bibliothek, Rar 30264 - Volltext durchsuchbar
Geologic atlas of the United States /
160 : Accident - Grantsville FolioMaryland - Pennsylvania - West VirginiaETH-Bibliothek, K P 287001: 160