With Discussion by Messrs G.E.P. Smith, Kenneth Allen, and J.L. Campbell. Location.—The El Paso and Southwestern Railway traverses the arid country west of the 100th Meridian in New Mexico, Texas, and Arizona, as shown on the map, Fig. 1. The water supply herein described serves that division of this road lying between Carrizozo and Santa Rosa, a distance of 128 miles. Rainfall.—The average annual precipitation is 9.84 in. The... more...