Bulletin - United States Geological Survey, Issues 65-71

Geological Survey (U.S.)

The Survey., 1891 - Geology

Contents

• Tlie Lower Coal Measures or Alleghany River ScriesContinued: 12
• Letter of transmittal 1r: 17
• The PermoCarboniferons or Dnnkard Creek Measures: 20
• The Upper Coal Measures or Monongahela River Series: 43
• The Barren Measures or Elk Kiver Series: 70
• Characteristic horizons: 86
• The Lower Coal Measures or Alleghany Uivcr Series: 99
• Tlin Lower Coal Measures or Alleghany Iiivcr ScriesContinued: 142
• The Lower Coal Measures or Alleghany River SeriesContinued: 171
• The PotteviUe Conglomerate Series: 179
• Age of the Dnnkard Creek Beds 41: 41
• The Lower Kittanning Coal 109: 109

Bibliographic information

• Title: Bulletin - United States Geological Survey, Issues 65-71; Bulletin - United States Geological Survey, Bulletin - United States Geological Survey
• Author: Geological Survey (U.S.)
• Publisher: The Survey., 1891
• Original from: Harvard University
• Digitized: Aug 24, 2007