Just the quick look I did so far was impressive. That site is a good candidate for Railseek, if you haven't submitted it yet.
Denver Northwestern & Pacific (The Moffat Road) 2-8-0 No. 109 is about to depart from the Moffat Depot at 15th & Bassett Street, Denver, on a sunny day in 1909.
Motorman C.A. Rhodes stands next to Rio Grande Southern Galloping Goose No.4 at Peak, Colorado, west of Ridgway on May 23, 1941.
Southern Pacific 4-6-0 No. 2353 departs San Diego, California, on April 23, 1933, with train No.4 bound for Tijuana, Mexico, and Yuma, Arizona. The automobile is a 1925 Jewett.
Two-month-old Union Pacific 4-8-8-4 "Big Boy" 4002 is westbound at Riview, Wyoming, west of Green River, with a 51-car freight train on November 29, 1941.
Chicago Burlington & Quincy 4-6-2 No. 2966 heads an eastbound 15-car freight train near Hudson, Colorado, on February 15, 1937.
ALCO PA1 diesel 52 leads train No. 22, the El Capitan, down the east slope of Raton Pass, above Morley, Colorado, March 26, 1950.
Pennsylvania Railroad GG1 electric locomotive 4839 arrives in Washington, D.C. with train 173, The Federal, on August 3, 1939.
No other pic I could find in the collection more accurately portrays railroading on the Rio Grande than this: "Three engines pull a Denver and Rio Grande Western freight train on the north side of Tennessee Pass above the Pando Valley, Colorado, near Camp Hale and the Tenth Mountain Division Headquarters; snow covers the ground and the pine trees on the hills. February 7, 1944." Phil O'Rourke photo:
And a classic by Otto Perry: "D&RGW train, engine number 1205, engine type 2-8-2 and engine number 1203, engine type 2-8-2, Train #5, Exposition Flyer; 9 cars, 30 MPH, tunnel 28. Photographed: Pinecliff, Colo., June 25, 1939." T28 was daylighted in 1951(?) due to crumbling rock thru which the tunnel is bored.
Denver & Rio Grande Western 2-8-2 No. 452, on lease to the Rio Grande Southern, is at the Ridgway, Colorado, round house, November 18, 1951.
Otto Perry was all over the country. Even did some Milwaukee Road. I'd love to browse the collection for just his Colorado narrow gauge stuff. Sounds like something great to do, on a cool, rainy evening this Fall. Boxcab E50
(no photographer noted) Smoke rises from a locomotive outside tunnel 29 on Denver & Salt Lake railroad tracks in Gilpin County, Colorado. Shows utility poles beside tracks, rocky crags and loose rocks on the slope.
Brand new Colorado & Southern 2-10-2 No. 900 is in the Denver yards in 1915, soon after delivery from the Baldwin Locomotive Works in Philadelphia.
Darren Where was 15th and Bassett? I can not find that any where on a Denver map, probably long gone I would still love to know where that Moffett Depot was located. thanks Steve
Near I-25 between 15th Street & 20th Street along Commons Park; {MapQuest} Don't know if there is anything left of it or not...
Denver & Salt Lake rotary snowplow 10200 clears the line on the east side of Rollins Pass, Colorado, about 1913-1918.
