PUBLICATIONS i Xlll 



Grabau: Page 



Figure 5— Hypothetical sections across Paleozoic Appalachia 442 



" 6 — Section of the oolitic iron ores of the Lower Siluric (2) 



resting disconformably on Maquoketa shales, Iron 



Ridge, Wisconsin 444 



" 7 — Gross-section of the iron deposit of Iron Ridge, Wisconsin 444 

 -■" 8 — Diagram of the folded Ordovicic strata at the beginning 



of Siluric time 445 



" 9 — The same section as figure 8, but with the folds eroded 



and the material redeposited as Medina sandstone (7) 



and Tuscarora-Oneida-Thorold quartz rocks 446 



" 10— Section along the right bank of the Susquehanna above 



Harrisburg 465 



" 11-^-Diagram showing the relationship of a seashore delta of 



coarse elastics and the replacing overlap. 494 



" 12 — Diagram showing diameter and overlap of a subaerial 



delta fan 494 



Alden and Stebinger: 



Figure 1 — Map of portions of southern Alberta and northern Mon- 

 tana . , 530 



" 2 — View northwestward from Browning-Babb stage road on 



the crest of Milk River Ridge 534 



" 3 — View looking eastward from a point about four miles 



north of Duck! Lake. . . . , ... ... 537 



" 4 — View looking westward to Rocky Mountains across rem-.' 

 nants of the highest or Blackf pot peneplain from' a. 



point ten miles east of Duck Lake ............ ... 538 



" 5 — Profiles from Gunsight Pass and Bear. Creek Valley 544 



" 6 — Section on Saint Maryr River north of Sloans ranch .546 



" 7 — Section on Belly River near Lethbridge,. Alberta 550 



" 8 — Section on Saint Mary River one mile south of Kimball, 



I Alberta 558 



Blackwelder : ; 



Figure 1 — Outline map of the region within which the Bighorn 



dolomite has been found 608 



Merbitt : 



Figure 1 — Topographic and geologic map of the region within five 



miles of Hanover, New Hampshire <!72 



" 2 — Geologic section along the line AB on figure 1 . 673 



(36 plates; 60 figures.) 



