00785cam a2200241 4500 133502390 TxAuBib 20001007120000.0 001007s1980||||||||||||||||||||||||und|u 80019999 //r84 9780871085542 $25.00 0871085542 $25.00 TxAuBib Griswold, P. R, 1922-, (Phelps R.) Colorado's loneliest railroad : the San Luis Southern / by P. R. "Bob" Griswold. 1st ed. Boulder, Colo : Pruett Pub. Co., 1980. 190 p. : ill. ; 29 cm. Includes index. Bibliography: p. 185-186. 20001007. Southern San Luis Valley Railroad History.