LIST OF PUBLICATIONS 199 



Vol. III. No. 2 State Supervision of Forestry, by L .C. Glenn. 



Conservation of the Water Powers of Tennessee, by 



J. A. Switzer. 



Water Supplies for Cities and Towns, by A. H. Purdue, 



Types of Iron Ore Deposits in Tennessee, by C. II. 



Gordon. 



The Causes and Nuisance of Smoke, by Wilbur A. 



Nelson. 



Geology and Engineering, by A. H. Purdue. 



Vol. III. No. 3 The Gullied Lands of West Tennessee, by A. H. Purdue. 

 White Rock Phosphate of Decatur County, Tennessee, 

 by T. Poole Maynard. 



Mineral Products Along the Tennessee Central Rail- 

 road, by Wilbur A. Nelson. 

 Relations of Water Supply to Health, by J. A. Switzer. 



Vol. III. No. 4 Minerals of Tennessee, Their Nature, Uses, Occurrence 

 and Literature, by A. H. Purdue. 



Building Precautions Against Earthquake Disasters, by 

 Olaf P. Jenkins. 



Vol. IV. No. 1 Relation of Water Supply to Health, by J. A. Switzer. 

 Earthquakes in East Tennessee, by C. H. Gordon. 

 The State Geologist and Conservation, by A. H. Purdue. 

 A. Tripoli Deposit near Butler, Tenn., by L. C. Glenn. 



No. 2 The Brown and Blue Phosphate Deposits of South-Cen- 

 tral Tennessee, by J. S. Hook. 

 Discussion, Lucius P. Brown. 

 Bauxite in Tennessee, toy A. H. Purdue. 



Na. 3 Economic Geology of the Waynesboro Quadrangle, by 

 N. F. Drake. 



Recent Water Power Development in Tennessee, by 

 J. A. Switzer. 



Two Natural Bridges in Tennessee, by Hugh D. Miser. 

 Road Materials of Tennessee, by A. H. Purdue. 

 Report on the Water Powers of Tennessee. 



Na. 4 The Need of a Soil Survey of Tennessee, by C. A. 

 Mooers. 



The Geology of Perry County and Vicinity, by Bruce 

 Wade. 

 Indexes to Volumes III and IV. 



