520 The National Geographic Magazine 



vey. Of these 4,000 copies have been 

 delivered to Senators and Representa- 

 tives in Congress and 1 , 500 copies to 

 the Survey for general distribution. 

 Applications can be made for them 

 either to members of Congress or to the 

 Survey. Requests specifying certain 

 papers and stating reasons for asking 

 for them are granted whenever practi- 

 cable, but it is impossible to comply 

 with a general demand for all of the 

 series, as no mailing list is maintained. 



109. Hydrography of Susquehanna River 

 Basin. J. C. Hoyt and R. H. Anderson. 



no. Contributions to Hydrology of Eastern 

 United States, 1904. M. L. Fuller, Geologist 

 in Charge. 



in. Preliminary Report on Underground 

 Waters of the State of Washington. Henry 

 Landes. 



112. Underflow Tests in Basin of Los Angeles 

 River. Homer Hamlin. 



113. The Disposal of Strawboard aud Oil 

 Wastes. R. L. Sackett and Isaiah Bowman. 



1 14. Underground Waters of Eastern United 

 States. M. L. Fuller, Geologist in Charge. 



115. River Surveys and Profiles Made Dur- 

 ing 1903. W. C. Hall and J. C. Hoyt. 



116. Water Problems of Santa Barbara, Cal. 

 J. B. Lippincott. 



117. The Lignite of North Dakota and Its 

 Relation to Irrigation. F. A. Wilder. 



118. Geology and Water Resources of a Por- 

 tion of East-Central Washington. F. C. 

 Calkins. 



119. Index of Hydrographic Progress Re- 

 ports of the U. S. Geological Survey. J. C. 

 Hoyt and B. D. Wood. 



120. Bibliographic Review and Index of 

 Papers Relating to Underground Waters Pub- 

 lished by the U. S. Geological Survey. M. L. 

 Fuller. 



121. Preliminary Report on the Pollution 

 of Lake Champlain. M. O. Leighton. 



122. Relation of the Law to Underground 

 Waters. D. W. Johnson. 



123. Geology and Underground Water Con- 

 ditions of the Jornadodel Muerto, New Mexico. 

 C. R. Keyes. 



124. Atlantic Coast of New England ^rain- 

 age. 



125. Hudson, Passaic, Raritan, and Dela- 

 ware River Drainages. 



126. Susquehanna, Patapsco, Potomac, James, 

 Roanoke, Cape Fear, and Yadkin River Drain- 

 ages. 



127. Santee, Savannah, Ogeechee, and'Alta- 

 maha Rivers, and Eastern Gulf of Mexico 

 Drainages. 



128. Eastern Mississippi River Drainage. 



129. Great Lakes and St Lawrence River 

 Drainage. 



130. Hudson Bay, Minnesota, Wapsipinicon, 

 Iowa, Des Moines, and Missouri River Drain- 

 ages. 



131. Platte, Kansas, Meramec, Arkansas, 

 and Red River Drainages. 



132. Western Gulf of Mexico Drainage. 



133. Colorado River and the Great Basin 

 Drainage. 



134. The Great Basin and Pacific Ocean 

 Drainages in California. 



135. Columbia River and Puget Sound Drain- 

 age. 



136. Underground Waters of Salt River Val- 

 ley. W. T. Lee. 



137. Development of Underground Waters 

 in the Eastern Coastal Plain Region of Southern 

 California W. C. Mendenhall. 



138. Development of Underground Waters 

 in the Central Coastal Plain Region of Southern 

 California. W. C. Mendenhall. 



139. Development of Underground Waters 

 in the Western Coastal Plain Region of South- 

 ern California. W. C. Mendenhall. 



140. Field Measurements of the Rate of 

 Movement of Underground Water. C. S. 

 Slichter. 



141. Observations on the Ground Waters of 

 Rio Grande Valley. C. S. Slichter. 



142. Hydrology of San Bernardino Valley, 

 California. W. C. Mendenhall. 



143. Experiments on' Steel-concrete Pipes. 

 J. H. Quinton. 



144. The Normal Distribution of Chlorine in 

 the Natural Waters of New York and New 

 England. D. D. Jackson. 



145. Contributions to the Hydrology of 

 Eastern United States, M. L. Fuller, geologist 

 in charge. 



146. Proceedings of Second Reclamation 

 Conference. Compiled by F. H. Newell. 



147. Destructive Floods in the United States 

 in 1904. E. C. Murphy and others. 



Commercial Geography. By Henry 

 Gannett, Carl Louise Garrison, and 

 Edwin J. Houston. With maps and 

 illustrations. Pp. 420. 5^ x 8 

 inches. New York : American Book 

 Company. 1905. $1.00. 

 Now that the exploration of the world 

 is practically completed, and the acqui- 

 sition of land by conquest is becoming 

 more difficult each year, the struggle for 

 commercial supremacy becomes princi- 

 pally a matter of education and training. 

 Germany, realizing this fact some years 



