Last revised: October 25, 2026
By: Adam Burns
The Lake Superior & Ishpeming Railroad, reporting mark LSI, still takes iron ore from the Marquette Range down to a concrete dock at Presque Isle, in Marquette, and into the lake boats. Cleveland-Cliffs built the line, with the Pittsburgh & Lake Angeline Iron Company, after a rate quarrel with the Duluth, South Shore & Atlantic. Ishpeming attorney George W. Hayden was one of the promoters. Around Marquette the project was Hayden’s Scheme. It was also Little Sally and Imogene, for two daughters of H. R. Harris, the first general manager, and Lazy, Slow, and Independent when a mixed train was hours late in the woods. Chicago & North Western men had another name for it: the Hook and Eye.
A pair of Lake Superior & Ishpeming U25Cs with a cut of ore jennies at the yard in Eagle Mills, Michigan, on May 1, 1970. Jim Jeffery photograph. American-Rails.com collection.
On this page: Hayden and Cleveland-Cliffs · The ore dock · Munising and the 1924 railroad · At a glance · Ore trains · Steam · Diesels · The dock job
Steve Glischinski, in Trains for September 1999, traces the idea to Hayden: a local road from the mines at Ishpeming to a dock of its own, in competition with the South Shore, the Chicago & North Western, and, farther off, the Milwaukee Road. A February 1893 newspaper reported that the articles had been filed. The incorporators were James M. Barnett, John C. Holt, Anton G. Hodenpyl, and John H. K. Burgwin, of Grand Rapids, and Hayden, of Ishpeming. The lake terminal was to be Presque Isle, a short distance north of Marquette, and the business was iron ore.
Cleveland-Cliffs and the Pittsburgh & Lake Angeline Iron Company built the railroad. Aurele A. Durocher, writing in the Railway and Locomotive Historical Society’s Bulletin No. 98 (April 1958), names the first board. William G. Mather of Cleveland was president. James Laughlin, Jr., of Pittsburgh was vice president. Hayden sat with them. H. R. Harris was general manager, and J. F. Deimling, of Marquette, was engineer of maintenance of way. Construction began on December 1, 1895. The main line was to run 19.94 miles west from Presque Isle to Ishpeming.
On August 12, 1896, the Ishpeming extension and 3.99 miles of mine branches were still unfinished, so the Chicago & North Western loaded the new railroad’s cars and delivered them to the finished main line. That day engine No. 9, a Pittsburgh 0-6-0 of 1896, took forty wooden hoppers of 30-ton capacity, half loaded, from Negaunee down to Presque Isle. The ruling grade was 1.63 percent. Regular trains followed, one engine and thirty cars. The short 1896 season shipped 290,813 tons. The first full year, 1897, shipped 1,035,783 tons.
The railroad opened with eleven Pittsburgh locomotives, 400 wooden ore hoppers, and 24 other cars. In 1898 it bought two coaches from Pullman and began excursion service between Ishpeming and Presque Isle. Marquette riders reached the depot on the streetcar. The same year the first all-steel ore hoppers arrived, rated at 50 tons and later cut back to 40. A steel bridge carried the line over the Dead River about seven miles west of Presque Isle, 135 feet above the water.
By the summer of 1896 a wooden dock was going up in Presque Isle harbor: 1,200 feet long, 54 feet high, 49 feet wide, with four tracks and 200 pockets. A merchandise dock half that length stood just north of it. The federal government was building a 1,200-foot breakwater for the boats.
In 1911 and 1912 the wooden dock gave way to reinforced concrete and steel. The new dock is 1,200 feet long, 54 feet wide, and 75 feet above the water, with four tracks on top and 200 pockets of 250 tons, 50,000 tons in all. It was laid out for 3,000,000 tons a year. R. C. Young, the railroad’s chief engineer, designed the concrete. J. F. Jackson, of the Wisconsin Bridge and Iron Company in Milwaukee, designed the steel. The approach is about a mile of sand fill on a 1.5 percent grade, some 600,000 cubic yards, and then a four-track steel trestle 600 feet long and 70 feet high. The dock is still the railroad’s front door on Lake Superior.
RSD-12s 1804 and 1803, and another RSD-12, ready for the day’s work at the shops in Eagle Mills, Michigan, on July 14, 1983. Author’s collection.
While the ore line was going in, the Munising Railway was pushing into the timber east of Marquette. It was organized on July 3, 1895, by the Munising Company and the Lac LaBelle Company, with Timothy Nester as the promoter. Construction began that August and the road was finished in December 1896: 38 miles of main line, a South Shore connection at Munising Junction, five miles from Munising, and a Chicago & North Western connection at Little Lake. A seven-mile branch left the main about ten miles from Munising and ran into the woods. The survey had pointed on to Little Bay de Noc. The track stopped at Princeton.
Cleveland-Cliffs took the Munising Railway in 1900, with the timber the land companies held. The main line then reached Gwinn, 43 miles from Munising, and Princeton, 45 miles, in 1903 and 1905, where the company was opening iron mines. An East Branch left Stillman, nine miles from Munising, and by 1905 had run 20 miles to Doty and a connection with the Manistique & Lake Superior, an Ann Arbor subsidiary. The next year it went 12 miles farther, to Cusino.
On October 3, 1900, Cleveland-Cliffs organized the Marquette & Southeastern to close the gap. The new line left West Yard, the ore yard near Presque Isle, and was built in 1901 and 1902 through to the Munising Railway at Lawson, then north along the shore toward the timber at Big Bay. In 1911 the Munising Railway and the Marquette & Southeastern became the Munising, Marquette & Southeastern. The two companies, that road and the Lake Superior & Ishpeming Railway, already ran as one operation and filed separate reports. In 1924 the consolidation was made legal, and the name became the Lake Superior & Ishpeming Railroad. The locomotives were renumbered the same year.
By then the ore line had a concrete dock, a landscaped roundhouse and shops built in 1919 and 1922, and a North Lake extension of 1910, four miles west of Ishpeming. Shipments had climbed from the first season’s 290,813 tons to just under three million tons in 1924. The 1940 system map, below, is the railroad at its widest: Munising through Stillman, Lawson, and Marquette to Ishpeming and Barnes; the Big Bay line; the timber branches toward Cusino; and Lawson to Princeton.
An official, 1940 system map of the Lake Superior & Ishpeming Railroad. Author’s collection.
| Item | Detail |
|---|---|
| Reporting mark | LSI |
| Headquarters | Marquette, Michigan |
| State | Michigan, Upper Peninsula |
| Articles | Reported filed in February 1893. Construction began December 1, 1895 |
| First ore train | August 12, 1896, Negaunee to Presque Isle, Pittsburgh 0-6-0 No. 9 |
| Railroad name | 1924, consolidation with the Munising, Marquette & Southeastern |
| 1940 route | 164 miles. Munising–Ishpeming–Barnes, Marquette–Big Bay, Munising–Cusino, Lawson–Princeton |
| Gauge | 4 feet, 8½ inches |
| Ore dock | Concrete, 1911–1912. 1,200 feet, 75 feet above the water, 200 pockets, 50,000 tons. Still in use |
| Steam, 1954 | 29 locomotives on the list below |
| Diesels owned | 62 locomotives, Alco and General Electric. Leased power is outside that count |
| Owner | Cleveland-Cliffs Inc., the name resumed on August 15, 2017 |
August Syverson came over from the Ann Arbor in April 1920 as superintendent, with headquarters in Marquette. On August 19, 1939, President William G. Mather made him vice president and general manager. He succeeded H. R. Harris, who had died on June 5.
Jim Scribbins, in Trains for December 1954, put the main shops at Presque Isle and described the ore move the way the crews ran it. Loaded cuts stopped at the small yards along the line to pick up more. At the mines a cut was 10 to 12 cars, usually behind a Consolidation. Durocher’s account of the same jobs is more particular. The 1916 Baldwin “hogs,” the later SC-1s, could take 60 cars up to Negaunee. The three 2-10-2s that arrived in 1930 walked 85 empty hoppers up the 1.63 percent grade and shoved 25 loads onto the dock, in 50-ton and 70-ton cars. Ore moved from about April to December. In the winter the railroad used steam to thaw soft ore in the hoppers and in the dock pockets. There is no shipping off the dock in those months.
Mixed trains carried the passengers, the mail, and whatever the timber country shipped. In the years Durocher rode them, a Marquette–Princeton mixed reached the Gwinn district about 10:30 in the morning and started back about 2:30, with time between to switch the mines and to push hoppers up the crusher incline. A 1946 timetable shows a daily-except-Sunday mixed leaving Marquette at 5:05 a.m., Lawson at 6:50, and Munising at 9:00, and the return leaving Munising at 3:30 p.m. Passenger service between Marquette and Big Bay ended after an uncontested Michigan Public Service Commission hearing on August 14, 1953. The Big Bay branch itself was abandoned in 1958 and sold in 1963 to the Marquette & Huron Mountain, which ran excursions into the 1980s. The track then came up.
In the 1950s the ore business was running past 3.5 million tons a year, and the railroad was already cutting the map back. Princeton to Gwinn came out in 1965, and with it the logging lines east of Munising, including a Cousino–Sunrise Landing branch that was only about seven years old. The same year the Lake Superior & Ishpeming, the South Shore, and the Chicago & North Western consolidated their mains along US-41 from Eagle Mills west to Euclid Yard in Ishpeming. That let the second Negaunee main go, and the mains that had run through downtown Ishpeming. Much of what was left of the east end came out in 1979. In 1990 the Wisconsin Central bought the piece from Munising Junction to Munising. That segment later went to Canadian National, and then to the Grand Elk.
A 1950s plan to reach a new dock on Little Bay de Noc, in Sterling Harbor opposite Gladstone, was never built. The idea was to use the line to Eben Junction, buy the Soo Line branch from there to Rapid River, and build a short new railroad south to Lake Michigan so Cleveland-Cliffs could load the fragile low-grade ore somewhere other than the Chicago & North Western dock at Escanaba. The Soo would not sell. The boats kept leaving Presque Isle.
The 1954 list is the steam roster below. Earlier power is a different story: eleven Pittsburgh engines in 1896, three small secondhand switchers in 1897, and a Shay that left in the 1924 trades. Those engines are off this list. What remained in 1954 were Consolidations for the mines and the road, two pairs of Mikados, and three Santa Fe types that had been the heaviest engines in the Upper Peninsula when they arrived in 1930.
Nos. 6 and 7 are the Baldwin Consolidations of 1907 that came from the Munising, Marquette & Southeastern as 36 and 37. On the Lake Superior & Ishpeming they were 16 and 17 until 1930, and they drew the Marquette–Princeton mixed. No. 16 carried the name Patrick McCarthy on the cab for a time. The number then moved to SC-4 No. 18. Nos. 10, 11, and 12 are 1896 Pittsburgh Consolidations, scrapped in 1953. The boilers of 11 and 12 were kept to make steam for the ore dock.
Mikados 14 and 15 are the Duluth & Northern Minnesota engines, Baldwin of 1913, bought in 1919 for $17,000 each after that Knife River logging road shut down. They had been 21 and 22 before the 1924 renumbering, and they were reclassed MK-2 in 1930. Cylinders were 20 by 28 inches, drivers 44 inches, engine weight 178,000 pounds, tractive effort 35,224 pounds. They spotted cars at the mines, pinched in on log trains, and occasionally drew a mixed. No. 14 is at the Lake Superior Railroad Museum in Duluth. Nos. 16 and 17 are the Cambria & Indiana Mikados, 5 and 6, bought in 1930 from the Peckham Engineering Company. Baldwin built one in 1913 and the other in 1915. Engine weight, without the tender, was 231,900 pounds. They worked only in the Ishpeming–Negaunee area. No. 17 was scrapped in 1954 and No. 16 in 1955.
The eight Pittsburgh Consolidations of 1910, numbered 18–25 in 1924, are the engines Durocher remembered as the look of the railroad. Five had been Lake Superior & Ishpeming 9–13. Three had been Munising, Marquette & Southeastern 38–40. Between 1928 and 1934 the Presque Isle shops rebuilt every one of them except No. 25: wider fireboxes, superheated cylinders, boilers raised, feedwater heaters, thermic syphons. They came out as class SC-4, and in the mid-1950s they were still the ore-season engines at Ishpeming and Negaunee, with one or two borrowed at the end of the year to steam ore on the dock. No. 18 was rebuilt in 1930, No. 19 in 1934, No. 20 in 1929, No. 21 in 1930, No. 22 in 1929, No. 23 in 1928, and No. 24 in 1930. No. 22 carried George O’Neill. No. 23 was offered Philip Smith. No. 25, class SC-5, received a superheater and 21-inch cylinders and was scrapped in 1956.
No. 26 is off the 1954 list. Alco-Brooks of 1902, it had been Buffalo, Rochester & Pittsburgh 251. It arrived in the 1924 trades, drew the Munising–Ishpeming mixed, and was scrapped in 1951, the first engine to go after the diesels.
Nos. 27 and 28 are the Baldwin Consolidations of 1905 that had been 15 and 16, the hill engines of their day, later cut back to mine switching, log trains, and the plow. Both were scrapped in 1956. No. 29, Alco-Pittsburgh 1906, had been No. 14. Rebuilt in 1925 as an SC-3, it drew the Marquette–Munising local and, in 1935, received the tender booster that had been on No. 32. With the booster cut in, tractive effort was 59,825 pounds. The cab wore Charles Young. Nos. 30 and 31, Alco-Schenectady of 1913, came in 1925 from the General Equipment Company. They had been Chicago River & Indiana 1 and 2, and their work was pushing hoppers onto the dock and switching West Yard. No. 30 was scrapped in 1956.
The four SC-1s, 32–35, are the Baldwin “hogs” of 1916. Three were built for this railroad as 18, 19, and 20. The fourth was Munising, Marquette & Southeastern 44, which became 33. Cylinders were 26 by 30 inches, drivers 50 inches, engine weight 270,000 pounds, boiler pressure 200 pounds, and tractive effort 55,900 pounds as built. They were laid out for the clearances and the turntables the railroad already had. Between 1925 and 1927, Nos. 32, 33, and 35 received tender boosters and new tenders, which took tractive effort to 67,725 pounds. A later rise in each engine’s own tractive effort, to 60,484 pounds, brought the figure with the booster to 72,309 pounds. No. 32’s booster went to No. 29. The frames that became 34 and 35 wore 30 and 31 until 1925, when the Chicago River & Indiana engines took those numbers. No. 33 is at the Age of Steam Roundhouse in Sugarcreek, Ohio.
The last steam bought for the ore trains, and the largest, were three Baldwin 2-10-2s of 1919 that arrived in 1930 from the Hocking Valley, a Chesapeake & Ohio road. They had been built for the Lehigh Valley as 4070, 4072, and 4074, and on the Hocking Valley they were 140, 142, and 144. On this railroad they were 36, 37, and 38, class SF-1. Cylinders were 29 by 32 inches, drivers 63 inches, engine weight 374,000 pounds, pressure 205 pounds, tractive effort 74,435 pounds. They broke drawbars and were too much for the Ishpeming wye on an early trip. They were seldom sent east of Marquette until curves were eased and heavier rail went in. Through the Second World War they moved the ore. No. 37 was cut up at the shops in 1953. No. 38, sold in 1954, would not stay on the scrap-yard rail and was cut up on the spot. No. 36 went in 1955.
| Number | Class | Type | Builder | Serial | Built | Qty | Notes |
|---|---|---|---|---|---|---|---|
| 6 | SC-6 | 2-8-0 | Baldwin | 30828 | 1907 | 1 | Ex-Munising, Marquette & Southeastern 36, then Lake Superior & Ishpeming 16. Renumbered 6 in 1930. Marquette–Princeton mixed. The cab carried Patrick McCarthy while it was 16 |
| 7 | C-5 | 2-8-0 | Baldwin | 30841 | 1907 | 1 | Ex-Munising, Marquette & Southeastern 37, then 17. Renumbered 7 in 1930 |
| 10–11 | C-6 | 2-8-0 | Pittsburgh | — | 1896 | 2 | Scrapped in 1953. The boiler of 11 was kept to thaw ore at the dock |
| 12 | C-7 | 2-8-0 | Pittsburgh | 1615 | 1896 | 1 | Ex-Munising, Marquette & Southeastern 42. Scrapped in 1953. The boiler was kept for the ore dock |
| 14–15 | MK-2 | 2-8-2 | Baldwin | 39664–39665 | 1913 | 2 | Ex-Duluth & Northern Minnesota 13 and 14. Bought in 1919 for $17,000 each. Pre-1924 numbers 21 and 22. Reclassed MK-2 in 1930. 20×28, 44-inch drivers, 178,000 pounds, 35,224 pounds tractive effort. No. 14 is at the Lake Superior Railroad Museum, Duluth |
| 16 | MK-1 | 2-8-2 | Baldwin | 40917 | 1913 | 1 | Ex-Cambria & Indiana 5, through the Peckham Engineering Company in 1930. 231,900 pounds without the tender. Ishpeming–Negaunee. Scrapped in 1955 |
| 17 | MK-1 | 2-8-2 | Baldwin | 41903 | 1915 | 1 | Ex-Cambria & Indiana 6, the same 1930 purchase. Scrapped in 1954 |
| 18 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46941 | 1910 | 1 | Built as Lake Superior & Ishpeming 11. Rebuilt at Presque Isle in 1930. 22×28, 189,360 pounds. Carried Patrick McCarthy |
| 19 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46942 | 1910 | 1 | Built as 12. Rebuilt in 1934 |
| 20 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46943 | 1910 | 1 | Built as 13. Rebuilt in 1929 |
| 21 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46945 | 1910 | 1 | Ex-Munising, Marquette & Southeastern 39. Rebuilt in 1930 |
| 22 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46944 | 1910 | 1 | Ex-Munising, Marquette & Southeastern 38. Rebuilt in 1929. Carried George O’Neill |
| 23 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46939 | 1910 | 1 | Built as Lake Superior & Ishpeming 9. Rebuilt in 1928. Offered the name Philip Smith |
| 24 | SC-4 | 2-8-0 | Alco-Pittsburgh | 46946 | 1910 | 1 | Ex-Munising, Marquette & Southeastern 40. Rebuilt in 1930 |
| 25 | SC-5 | 2-8-0 | Alco-Pittsburgh | 46940 | 1910 | 1 | Built as 10. Superheated, 21-inch cylinders. Left as class SC-5. Scrapped in 1956 |
| 27 | C-3 | 2-8-0 | Baldwin | 25725 | 1905 | 1 | Built as 15. 22×30, 198,000 pounds, 43,304 pounds tractive effort as built. Scrapped in 1956 |
| 28 | C-3 | 2-8-0 | Baldwin | 25782 | 1905 | 1 | Built as 16. Scrapped in 1956 |
| 29 | SC-3 | 2-8-0 | Alco-Pittsburgh | 39637 | 1906 | 1 | Built as 14. Rebuilt in 1925. Tender booster from 32 in 1935, 59,825 pounds with the booster. Carried Charles Young |
| 30–31 | SC-2 | 2-8-0 | Alco-Schenectady | 52836–52837 | 1913 | 2 | Ex-Chicago River & Indiana 1 and 2. Bought in 1925 from the General Equipment Company. Dock pushers at West Yard. No. 30 scrapped in 1956 |
| 32 | SC-1 | 2-8-0 | Baldwin | 43107 | 1916 | 1 | Built as 20. 26×30, 50-inch drivers, 270,000 pounds, 55,900 pounds tractive effort. Booster, applied about 1925, went to 29 |
| 33 | SC-1 | 2-8-0 | Baldwin | 43108 | 1916 | 1 | Built as Munising, Marquette & Southeastern 44. Tender booster about 1925. Tractive effort 60,484 pounds, 72,309 with the booster. At the Age of Steam Roundhouse, Sugarcreek, Ohio |
| 34 | SC-1 | 2-8-0 | Baldwin | 43105 | 1916 | 1 | Built as 18. Wore 30 until 1925, when the Chicago River & Indiana engines took that number |
| 35 | SC-1 | 2-8-0 | Baldwin | 43106 | 1916 | 1 | Built as 19. Wore 31 until 1925. Tender booster. Same dimensions as 32 |
| 36 | SF-1 | 2-10-2 | Baldwin | 52672 | 1919 | 1 | Built as Lehigh Valley 4070, then Hocking Valley 140. Arrived in 1930. 29×32, 63-inch drivers, 374,000 pounds, 74,435 pounds tractive effort. Scrapped in 1955 |
| 37 | SF-1 | 2-10-2 | Baldwin | 52674 | 1919 | 1 | Built as Lehigh Valley 4072, then Hocking Valley 142. Cut up at the shops in 1953 |
| 38 | SF-1 | 2-10-2 | Baldwin | 52705 | 1919 | 1 | Built as Lehigh Valley 4074, then Hocking Valley 144. Sold in 1954 and cut up beside the scrap track |
RSD-12s 1851 and 1852 at the engine terminal in Eagle Mills, Michigan, in April 1985. Rob Kitchen photograph.
The diesels the railroad owned are the table below. Durocher, writing in 1958, already found fourteen of them doing most of the work, with more on order. Those fourteen are the three RS-1s, the four RS-2s, and the seven RS-3s. The RS-2s of April 1949, 1,500 horsepower, and the RS-3s of 1950–1955, 1,600 horsepower, took the road ore jobs the Consolidations had held: the 10- and 12-car mine cuts, and the pickups at the small yards on the way to Presque Isle. RS-2 1611 was the outsider, Rock Island 450, built in September 1948. The three RS-1s, 1,000 horsepower, arrived at the end of 1951 for the lighter work and the branches.
The six-motor RSD-12s, 1,800 horsepower, were the ore-grade Alcos. Nos. 1801 and 1802 came in April 1956, 1803 in November 1959, and 1804 in April 1963. Six more were Chesapeake & Ohio 6700–6703, 6707, and 6709, built in the same April and May of 1956. The first four were renumbered 1850–1853 after a turn as 1800 and 1805–1807. The other two kept the Baltimore & Ohio numbers 2014 and 2016. The Eagle Mills photographs on this page are these engines, between trips to the mines and the dock.
Six RSD-15s, the low-nose Alligators, came secondhand from the Santa Fe. At 2,400 horsepower and 66 feet 7 inches they were the longest Alco hoods on the property, and they drew the heavy ore trains out of Eagle Mills into the late 1980s.
General Electric’s Universal series replaced that Alco fleet on the same grades. U25Cs 2500 and 2501, 2,500 horsepower, arrived in May and July 1964. They are the pair in the photograph at the top of this page, with ore jennies at Eagle Mills on May 1, 1970. No. 2501 is displayed at the Presque Isle ore dock. U23Cs 2300 and 2301, March and April 1968, were the first of that 2,250-horsepower model. No. 2302 followed in September 1969, and 2303 and 2304 in September 1970. No. 2300 is at the Arkansas Railroad Museum, still in its Lake Superior & Ishpeming number.
The high-horsepower secondhand power was the U30C and the C30-7, both 3,000 horsepower. Twelve U30Cs, 3000–3011, and four more, 3050–3053, came from the Burlington Northern. Five, 3012–3016, had been Detroit Edison 018–022, built in 1975 for that company’s coal trains. Four C30-7s, 3071–3074, also came from the Burlington Northern, built in 1977. These were the ore engines after the Alcos. Leased six-axle power has also moved the pellets in later years. Those leases stay outside the owned list.
| Model | Numbers | Builder | Serial | Order | Built | Qty | Notes |
|---|---|---|---|---|---|---|---|
| RS-1 | 1001–1003 | Alco | 79576–79578 | — | November–December 1951 | 3 | 1,000 horsepower. The lighter jobs and the branches |
| RS-2 | 1501–1503 | Alco | 76802–76804 | — | April 1949 | 3 | 1,500 horsepower. First new road diesels |
| RS-2 | 1611 | Alco | 75952 | — | September 1948 | 1 | Ex-Rock Island 450 |
| RS-3 | 1604–1605 | Alco | 78301–78302 | — | September 1950 | 2 | 1,600 horsepower |
| RS-3 | 1606–1607 | Alco | 80478–80479 | — | May 1953 | 2 | — |
| RS-3 | 1608 | Alco | 80737 | — | May 1954 | 1 | — |
| RS-3 | 1609 | Alco | 81350 | — | August 1955 | 1 | — |
| RS-3 | 1610 | Alco | 81365 | — | September 1955 | 1 | — |
| RSD-12 | 1801–1802 | Alco | 81953–81954 | — | April 1956 | 2 | 1,800 horsepower, six motors. Ore grades |
| RSD-12 | 1803 | Alco | 83547 | — | November 1959 | 1 | Eagle Mills, July 14, 1983, in the photograph above |
| RSD-12 | 1804 | Alco | 84293 | — | April 1963 | 1 | With 1803 in that photograph |
| RSD-12 | 1850–1853 | Alco | 81943–81946 | — | April 1956 | 4 | Ex-Chesapeake & Ohio 6700–6703. Also numbered 1800 and 1805–1807. Nos. 1851 and 1852 are the April 1985 photograph |
| RSD-12 | 2014, 2016 | Alco | 81950, 81952 | — | April–May 1956 | 2 | Ex-Chesapeake & Ohio 6707 and 6709. These are the Baltimore & Ohio numbers |
| RSD-15 | 2400–2405 | Alco | — | — | 1959–1960 | 6 | Ex-Santa Fe. Low-nose Alligators, 2,400 horsepower. The September 26, 1987 photograph |
| U23C | 2300–2301 | GE | 36706–36707 | 2500 | March–April 1968 | 2 | 2,250 horsepower. The first U23Cs built. No. 2300 is at the Arkansas Railroad Museum |
| U23C | 2302 | GE | 37138 | 2509 | September 1969 | 1 | — |
| U23C | 2303–2304 | GE | 37572–37573 | 2509 | September 1970 | 2 | — |
| U25C | 2500 | GE | 35062 | 1823 | May 1964 | 1 | 2,500 horsepower. With 2501 in the Eagle Mills photograph of May 1, 1970 |
| U25C | 2501 | GE | 35063 | 1825 | July 1964 | 1 | Displayed at the Presque Isle ore dock, Marquette |
| U30C | 3000–3011 | GE | — | — | 1974–1975 | 12 | Ex-Burlington Northern. 3,000 horsepower |
| U30C | 3012–3016 | GE | 40737–40741 | 1803 | 1975 | 5 | Ex-Detroit Edison 018–022 |
| U30C | 3050–3053 | GE | — | — | 1974 | 4 | Ex-Burlington Northern |
| C30-7 | 3071–3074 | GE | — | — | 1977 | 4 | Ex-Burlington Northern. 3,000 horsepower |
Three RSD-15 Alligators, former Santa Fe units, about to leave the yard at Eagle Mills, Michigan, on September 26, 1987. Doug Kroll photograph.
The railroad has come back to the work it was built for. Pellets from the mines south of Ishpeming, Empire and Tilden among them, move through Eagle Mills to the Presque Isle dock. Yards that carried the old system included Humboldt, Euclid in Ishpeming, Harris in Negaunee, Eagle Mills, and Presque Isle. The parent company resumed the name Cleveland-Cliffs Inc. on August 15, 2017, the 170th anniversary of the firm, and kept the New York Stock Exchange ticker CLF. The Lake Superior & Ishpeming remains that company’s railroad, and the concrete dock of 1912 is still loading boats.
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