BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 22, pp. 715-738 December i5, 1911 



ABSTRACTS OF PAPEES PRESENTED AT THE TWENTY- 

 THIED ANNUAL MEETING OF THE SOCIETY, BUT NOT 

 PUBLISHED IN FULL IN THE PRECEDING PAGES OF 

 THIS VOLUME, TOGETHER WITH DISCUSSIONS OF 

 PAPERS AS FAR AS PRESERVED. 



E. 0. HovEY, Secretary 



CONTENTS 



Page 



List of underground temperatures in the United States [abstract] ; by 

 N. H. Darton 716 



Unusual distortion of the Lo^Yer Kittanning coal [abstract] ; by Richard 

 R. Hice 716 



Further evidence of an unconformity in the so-called Laramie of the Raton 

 coal field, New Mexico [abstract] ; by Willis Thomas Lee. . . ., 717 



Repeating patterns in the relief and in the structure of the land [discus- 

 sion] ; by William Herbert Hobbs 717 



Apparent sun-crack structure in diabase [abstract and discussion] ; by 

 Edgar T. Wherry 718 



Geology of part of Luna County, New Mexico [abstract] ; by N. H. Darton. 718 



Pre-Cambrian of Sweden, with comments on American taxonomic paral- 

 lels [abstract and discussion] ; by James F. Kemp 719 



Chazj' formation in the Ottawa Valley [abstract] ; by Percy E. Raymond. 719 



Frankfort and Utica shales of the Mohawk Valley [abstract] ; by Rudolf 

 Ruedemann 720 



Stratigraphy of the Lower Pemisylvanian of northeastern Oklahoma [ab- 

 stract and discussion] ; by D. W. Ohern 720 



Sketch of the local geology, city of Pittsburgh [abstract and discussion] ; 

 by Percy E. Raymond 721 



Cretaceous and Tertiary formations of western North Dakota and eastern 

 Montana [abstract] ; by A. G. Leonard 722 



Eocene and Oligocene of the Wind River and Big Horn basins [abstract 

 and discussion] ; by William J. Sinclair and Walter Granger 722 



Twenty-foot terrace and sea-cliff of the Lower Saint Lawrence [abstract 

 and discussion] ; by James Walter Goldthwait 723 



Pre-Glacial course of the upper Hudson River [discussion] ; by William J. 

 Miller 724 



Mohawk glacial lobe [abstract and discussion] ; by Albert Perry Brigham. 725 



Lake Maumee, in Ohio [abstract and discussion] ; by Frank Carney 726 



Study of ice-sheet erosion and deposition in the region of the Great Lakes 

 [abstract and discussion] ; by Frank Bursley Taylor 727 



lowan drift [abstract] ; by Samuel Calvin 729 



(715) 



