BIBLIOGRAPHY OF SAMUEL CALVIN 11 



Geology of Johnson County. Iowa Geological Survey, vol. vii, 1897, pp. 35-104. 

 Geology of Cerro Gordo County. Iowa Geological Survey, vol. vii, 1897, pp. 



119-195. 

 Geology of Delaware County. Iowa Geological Survey, vol. viii, 1898, pp. 121- 



192. 

 Geology of Buchanan County. Iowa Geological Survey, vol. viii, 1898, pp. 203- 



253. 

 Prehistoric Iowa. The relation of prehistoric events to soil making in Iowa. 



Report of the Iowa Horticultural Society, 1898, pp. 183-192. 

 The interglacial deposits of northeastern Iowa. Proceedings of the Iowa 



Academy of Sciences, vol. v, 1898, pp. 64-70. 

 A notable ride; from driftless area to lowan drift, American Geologist, vol. 



xxiv, 1899, pp. 372-376. Proceedings of the Iowa Academy of Sciences, 



vol. vii, 1900, pp. 72-77. 

 What glaciers have done for Iowa. Annals of Iowa, vol. iv, 1899, pp. 138-142. 

 The Glacial Eix)ch. Chicago Record (Home Study Circle), Aug. 23 and 30, 



1899, 4 columns. 

 lowan drift. Bulletin of the Geological Society of America, vol, x, 1899, pp. 



107-120. 

 Geology of Dubuque County. Iowa Geological Survey, vol. x, 1900, pp. 381- 



622. Jointly with H. F. Bain. 

 Administrative report (with geological discussion). Iowa Geological Survey, 



vol. xi, 1901, pp. 11-27. 

 Geology of Page County. Iowa Geological Survey, vol. xi, 1901, pp. 399-460. 

 Administrative report (with geological discussion). Iowa Geological Survey, 



vol. xii, 1902, pp. 11-27. 

 Notes on the human relics of Lansing, Kansas. Journal of Geology, vol. x, 



1902, pp. 777-778. 

 Geology of Howard County. Iowa Geological Survey, vol. xiii, 1903, pp. 23-79. 

 Geology of Chickasaw County. Iowa Geological Survey, vol. xiii, 1903, pp. 



257-292. 

 Geology of Mitchell County. Iowa Geological Survey, vol. xiii. 1903, pp. 295- 



338. 

 Administrative report (with geological discussion). Iowa Geological Survey, 



vol. xvi, 1906, pp. 1-12. 

 Geology of Winneshiek County. Iowa Geological Survey, vol. xvi, 1905, pp. 



39-146. 

 Notes on the geological section of Iowa. Journal of Geology, vol. xiv, 1906, 



pp. 571-578. 

 Introduction to the geology of quarry products. Iowa Geological Survey, vol. 



xvii, 1907, pp. 193-200. 

 The Aftonian gravels and their relations to the drift sheets in the region about 



Afton Junction and Thayer. Proceedings of the Davenport Academy of 



Sciences, vol. x, 1907, pp. 18-31, plates i-viii. 

 Some features of the channel of the Mississippi River between Lansing and 



Dubuque and their probable history. Proceedings of the Iowa Academy 



of Sciences, vol. xiv, 1908 (dated 1907), pp. 213-220, 7 figures. 

 Present phase of the Pleistocene problems in Iowa. Presidential address. 



Bulletin of the Geological Society of America, vol. 20, 1909, pp. 133-152, 



plates 1-5. 



