Southern San Luis Valley Railroad

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Rattlesnake Trestle near Blanca, Colorado

The Southern San Luis Valley Railroad is a fallen flag shortline railroad that was located in Southern Colorado.[1] Best known in its final years of operation, it served a connection with the Denver and Rio Grande Western Railroad at Blanca, Colorado.[2] The diminutive railroad in its final form was approximately 1.53 miles (2.46 km) in length and during its life, freight traffic included farm produce, fertilizer and volcanic scoria (lava rock).[3] The railroad, as it was originally built, was 31 miles (50 km) long and besides freight it operated passenger service between Blanca and Jaroso, Colorado until 1946.[4] The railroad formally ceased all operations December 31, 1996.[5]


The original rail line was incorporated July 3, 1909, as the San Luis Southern Railroad. It was a subsidiary of the Costilla Estates Development Company, whose purpose was to develop farm land in Colorado’s San Luis Valley.[6] The railroad's business model was to serve the developing towns and farms set up by the Costilla Estates Development Company, whose business model was dependent on reservoirs it had built filling up with water for irrigation. The reservoirs have never filled up, owing to inadequate rainfall to fill them. Consequently, Costilla Estates never prospered, nor did the San Luis Southern Railroad. On January 6, 1928, the railroad was purchased out of bankruptcy by Charles Boettcher. He reorganized the line on December 13, 1928 as the San Luis Valley Southern Railway.[7] Under Boettcher’s leadership, the railroad continued to struggle and its fortunes did not improve substantially.[8]

On January 24, 1949, the Boettcher/McLean estates filed a petition before the Interstate Commerce Commission (ICC) to abandon the railroad.[9] The abandonment was hotly contested by interests in the San Luis Valley. As the interested parties were fighting over the abandonment, San Luis Valley businessmen S. Yorimoto and W.W. McClintock were making arrangements to purchase the railroad, which happened two weeks before the abandonment hearing were scheduled.[10] Between 1949 and 1954 there were various machinations and financial arrangements made to keep the railroad afloat. On September 19, 1952, McClintock filed for abandonment of the railroad, however the ICC only granted a partial abandonment on September 24, 1953.[11] McClintock continued to operate the railroad after this ICC decision.[12]

McClintock and another San Luis Valley businessman George Oringdulf, decided to reorganize the line and tied up all the railroad’s loose ends by purchasing all stock in the company.[13] On December 11, 1953, a new company was organized under Colorado law, and on October 22, 1954, it was granted a Colorado State Corporate Charter under the name Southern San Luis Valley Railroad (SSLV).[14]

McClintock and Oringdulph knew their two steam locomotives, #105 and #106, both Consolidation types, purchased from the Denver and Rio Grande Western Railroad were too costly to maintain.[10] They took the D&RGW steam locomotive tender frame (D&RGW #964) which they had purchased in 1950 and after an abortive attempt at building a locomotive on the tender frame, a successful machine was completed in 1955.[10] It was a strange-looking locomotive they called the D-500. It rolled on standard locomotive tender trucks which were powered by a sprocket and chain drive. Power was from an International Harvester, 1091 cubic inch, UD24 diesel engine. The power went through a Caterpillar hydraulic transmission, which in turn powered an old Euclid truck axle, which transmitted power through sprockets and chains to the axles.[13] The odd locomotive, which resembled a caboose, was built in a cupola style for visibility and to ease the installation of the prime mover. The locomotive was built by SSLV mechanics in Mesita, Colorado.[15] All steam trains on the SSLV ceased operating in 1957.[16]

By that time the railroad's traffic base remained close to Blanca, with little traffic originating in Jaroso. On March 15, 1958 the 29 miles of track from McClintock to Jaroso was closed and the rail was sold to the Climax Molybdenum Company.[17] What was left of the SSLV was roughly a 2.5 miles (4.0 km) mile stretch south from Blanca. The railroad served Colorado Aggregates Company at McClintock and the Mizokami lettuce packing plant just north of the McClintock wye track.[18] This became the status quo for the railroad until the closing of the Mizokami lettuce plant in the late 1970s and then the subsequent sale of the SSLV to the Hecla Mining Company.

In 1977 the SSLV purchased a second locomotive, a Plymouth ML8 (builder #4161) purchased from Utah Power and Light Company.[19][20] The gasoline engine in the locomotive was defective and was removed in 1980 so a Caterpillar diesel engine could be installed in its place. However the swap was never completed and the locomotive sits derelict without an engine.[21]

The railroad owned various locomotives over the years. They include: #100 and #101 both Brooks 4-6-0 locomotives, bought used From Lake Shore and Michigan Southern Railway; #102 (2-6-0) built by Baldwin, bought new by the San Luis Southern; #103(DRGW 657), #104(DRGW 633), #105(DRGW 688), and #106(DRGW 683), all C-28's (2-8-0) purchased from the Denver and Rio Grande Western Railroad.[22] The railroad also operated a motorcar, built by Winter-Weiss in 1924, that was originally numbered the M-3, then renumbered the M300. It sits derelict at the Oklahoma Railway Museum in Oklahoma City.[23] Another piece of SSLV history, steam engine #106, which was restored to its original D&RGW number is on display at the Colorado Railroad Museum.[24][25] Since the ICC gave the railroad latitude to remove rail in order to maintain operations in 1953, the owners of the railroad had the sanction to remove rail, thus the railroad was cut back to 1.53 miles from 2 ½ miles in 1959. Some of this track remains in place in 2009. It was reported in railfan internet groups that the SSLV had been sold to the Permian Basin Railroad's San Luis and Rio Grande Railroad in 2007, including the derelict D-500 and Plymouth ML8. In 2008, the SLRG started rebuilding portions of the SSLV trackage for freight car storage and railcar dismantling operations.[26][27]


  1. ^ Griswold, P. R., "Colorado's Loneliest Railroad: The San Luis Southern." Pruett Publishing, 1980. (ISBN 0871085542)
  2. ^ Lewis, Edward A. American Shortline Railway Guide p. 353
  3. ^ Ibid
  4. ^ Griswold p.104
  5. ^ Railroad Retirement Board. Employer Status Southern San Luis Valley Railroad, 2001. Washington, DC: Railroad Retirement Board, 2001. This document shows the date the SSLV ceased to be a legal entity.
  6. ^ Griswold p.3
  7. ^ Griswold p.56
  8. ^ Griswold p.51
  9. ^ Griswold p.108, 109
  10. ^ a b c Griswold p.112
  11. ^ Griswold P.115,127
  12. ^ Griswold p.116
  13. ^ a b Griswold p.127
  14. ^ Colorado Secretary of State. Articles of Incorporation Southern San Luis Valley Railroad Company, 1953. Denver, CO: Colorado Secretary of State, 1954. Articles of Incorporation Southern San Luis Valley Railroad Company has attached all SSLV corporate filings with the Secretary of State from 1953 to 1987.
  15. ^ Ibid
  16. ^ Griswold p. 131
  17. ^ Ibid
  18. ^ Ibid
  19. ^ Griswold p. 138
  20. ^ Edward, 1996, p. 353
  21. ^ Ibid note 16
  22. ^ LeMassena
  23. ^ Oklahoma Railway Museum Inc., Oklahoma City, OK (2007). "San Louis (sic) Valley Southern Rail Bus." Miscellaneous Equipment.
  24. ^ Nute, Donald. “Denver and Rio Grande Western Consolidations.” Donald Nute’s Steam Locomotive Collection. Private individual. 13 Sept. 2004. (accessed July 08, 2009). Nute has photographs of D&RGW 683 (ex-SSLV 106) at the Colorado Railroad Museum.
  25. ^ Colorado Railroad Museum, “Narrow Gauge and Standard gauge Locomotives.” Colorado Railroad Museum Website. Colorado Railroad Museum. 2001. (accessed July 08, 2009).
  26. ^ Holmes, N D. “Mid Week News Roundup-SLRG Acquires Southern San Luis Valley Railroad.” Rio Grande Information. DRGW.Net. 16 Jan. 2008. (accessed July 07, 2009). Covers railfan news. The sources on this website are sometimes uncited, however there is little reason to doubt the validity of this information, as there is substantial photographic evidence of the SLRG operating on the SSLV.
  27. ^ Holmes, N D. “San Luis Valley Southern Railroad.” Rio Grande Information DRGW.Net. 7 Oct. 2007. (accessed July 07, 2009). Uncited work gives brief SSLV history and mentions the SLRG purchase of the SSLV. Photo evidence of SLRG operation is at and


  • Lewis, Edward A. American Shortline Railway Guide. Revised 5th Ed. ed. Railroad Reference Series. Vol. 17, Edited by George *Drury. Waukesha, WI: Kalmbach Publishing Company, 1996.
  • Griswold, Phelps R. Colorado’s Loneliest Railroad. 1980 ed. Denver, CO: Pruett Publishing Company, 1980.
  • LeMassena, Robert A. Rio the Pacific!. June 1974 ed. Denver, CO: Sundance Publications Ltd., 1974.
  • Colorado Secretary of State. Articles of Incorporation Southern San Luis valley Railroad Company, 1953. Denver, CO: Colorado Secretary of State, 1954.
  • Railroad Retirement Board. Employer Status Southern San Luis Valley Railroad, 2001. Washington, DC: Railroad Retirement Board, 2001.

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