TY  - BOOK
AU  - Allen, Calvin Francis
TI  - RAILROAD CURVES AND EARTHWORK
U1  - 625.1 
PY  - 1931///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Railroads -- Curves And Turnouts
KW  - Railroads -- Earthwork
N1  - With This Is Bound His Field And Office Tables. 4th Rev. New York And London, 1931 Tables
ER  -