TariH 48-F 



EXPLANATION OF REFERENCE MARKS AND TECHNICAL ABBREVIATIONS. 



A. C. R. R Amador Central R. R.. 



A. E. R. R Arizona Eastern Railroad. 



A. T. & S. F. Ry. or A. T. & S. F. Atchison-, Topeka & Santa Fe Railway. 



C. C. T. Co Central California Traction Co. 



C. R. C Railroad Commission of the State of California. 



E. P. & S. W. Sys El Paso & Southwestern System. 



G. C. Ry Grand Canyon Railway. 



G. H. & S. A. Ry Galveston, Harrisburg & San Antonio Railway. 



G. N. Ry Great Northern Railway. 



I. C. C Interstate Commerce Commission. 



Incl Inclusive. 



L. A. & S. L Los Angeles & Salt Lake R. R. 



M. & E. T. Co Modesto & Empire Traction Company. 



McC. R. R. R McCloud River Railroad. 



N. P. Ry Northern Pacific Railway. 



O.-W. R. & N ; Oregon- Washington Railroad & Navigation Company. 



P. E. Ry Pacific Electric Ry. 



P. Ry Peninsular Railway. 



P. S. C. O Public Service Commission of Oregon. 



R. G. E. P. & S. F. R. R. or R. G. E. P. & S. F Rio Grande, El Paso & Santa Fe Railroad. 



S. F.-S. R. R San Francisco-Sacramento Railroad. 



S. N. R. R Sacramento Northern Railroad. 



S. P. & S. or S. P. & S. Ry Spokane, Portland & Seattle Railway. 



S. P. or S. P. Co Southern Pacific Company. 



S. Ry Sunset Railway. 



S. Ry. of Cal Sierra Railway of California. 



T. S. Ry Tidewater Southern Railway. 



V. E. R. R Visalia Electric Railroad. 



W. P. R. R Western Pacific Railroad. 



Y. V. R. R Yosemite Valley Railroad. 



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