20 EULLETIN 458, U. S/DEPARTMENT OF AGRICULTURE. 
stations about 80 per cent of all the cotton originates, the average 
distance will be 100 miles less. So great a decrease in the distance 
probably would have the effect of reducing the local rate to the 
Pacific port, with a consequent lessening of the through rate to 
New York and to European ports. 
OIMPERIAL 
_ |HOLTVILLE® 
Dixieland) 
CENTRAL] MAIN CANA 
Fic. 6.—Map of the Imperial Valley. 
The Imperial Valley is served by a 40-mile branch of the Southern 
Pacific Railroad, which extends south from Niland to Calexico on the 
Mexican boundary. (See fig. 6.) Connecting with the Southern 
Pacific at El Centro, the Holton Interurban, an independent railroad, 
extends east to Holtville, a distance of 10.5 miles, and west to Dixie- 
land, a distance of 13.7 miles. On the Southern Pacific Railroad are 
located seven gins and two compresses, the compresses being at Im- 
