REGISTER OF PHOTOGRAPHS RECEIVED IN 1895. 497 



1148 (87). Dakota formation, showing clays, lignite and sandstone, capped by- 



loess ; Sargeants bluff, Woodbury county, Iowa. Photographed by 

 Bain. 



1149 (88). Dakota and Benton formations; on the Sioux river, Old Grills mill, 



below Westfield, Plymouth county. Photographed by Bain. 



1150 (89). Chalk cliff; Niobrara ; on Sioux river, Old Grills mill, below Westfield, 



Plymouth county. Photographed by Bain. 



1151 (94). A crowded field of foraminifera with medium sized Texiularia, and 



many specimens of AnomaUna magnified 55 diameters ; from Saint 

 Helene, Nebraska. Photographed by Galvin. 



1152 (102). Flood plain of the Missouri ; view taken from high bluffs east of the 



Sioux river ; showing that river at the base ; Dakota lowland be- 

 tween it and the Missouri, with the Nebraska hills south of the 

 Missouri in the distance ; Old Grills mill, below Westfield, Plymouth 

 county, Iowa. Photographed by Bain. 



1153 (106). Glacial scorings; Kingston, Des Moines county. Photographed by 



Fultz. 



1154 (111). Till interbedded in loess; sand pits north of Sioux Gity, Woodbury 



county, Iowa. The hammer points to a boulder of Sioux quartzite. 

 Photographed by Bain. 



1155 (117). Base of Bedrock bluff ; east end of quarr}^ ; Bedrock, Marion county, 



Iowa. Photographed by Keyes. 



1156 (118). Quarry in upper Goal Measures ; new workings ; Earlham, Madison 



county, Iowa. Photographed by Bain. 



1157 (124). Quarry in Devonian limestone; Gedar Vallej'^ stage; showing two 



parallel joints, near Iowa Gity, Johnson county, Iowa. Photo- 

 graphed by Galvin. 



1158 (128). Iron mine, northeast of Waukon, Allamakee county, Tp. 99, R. 4, Sec. 



36, N.W. i S. E. 1. Photographed by Galvin. 



1159 (140). Palisades, showing Sioux quartzite on Split Rock creek, Minnehaha 



county, South Dakota. Photograph reduced by Galvin. 



1160 (141). Palisades as in 140 ; distant view. Photograph reduced by Galvin. 



"^ 1161 (142). Exposure of Le Glaire limestone, obliquely bedded below, horizontally 

 bedded above. Sugar Greek lime quarries, Gedar county, Iowa. 

 Photographed by Houser. 



1162 (143). View in Stone Gity quarry. Dearborne d- Sons, proprietors. Ana- 



mosa stage of Niagara ; Stone Gity, Jones county, Iowa. Photo- 

 graphed by Galvin. 



1163 (144). View in Ghampion quarry, Stone Gity, Iowa ; Anamosa stage of Niagara. 



Photographed by Galvin. 



1164 (145). Oblique bedding in Le Glaire limestone, half a mile south of Le Glaire, 



Iowa. The soil at top of exposure is an ancient shell heap or 

 kitchen-midden. Photographed by Galvin. 



1165 (146). Exposure of thin bedded Le Glaire limestone, Le Glaire, Iowa, show- 



ing effect of subaquatic erosion and subsequent deposition of similar 

 limestone in eroded trough. Le Glaire, Iowa. Photographed by 

 Galvin. 



1166 (147). View in Gedar Valley quarry. E. J. G. Bealer, proprietor. Anamosa 



stage of Niagara limestone, Gedar Valley, Iowa. Photographed by 

 Calvin. 



