Significance: The coal trestle of the D,L & W's Scranton yards supplied coal and sand to all locomotives working on the Scranton mainline. It represents the railroad's commitment to efficient and economical ma More
Significance: The Mallet Locomotive, one of 18 locomotives built by Baldwin Locomotive Works, was the last steam driven locomotive used by the railroad. The D & I.R. R.R. is significant for tis association wit More
Significance: The Mallet Locomotive, one of 18 locomotives built by Baldwin Locomotive Works, was the last steam driven locomotive used by the railroad. The D & I.R. R.R. is significant for tis association wit More
Significance: The Mallet Locomotive, one of 18 locomotives built by Baldwin Locomotive Works, was the last steam driven locomotive used by the railroad. The D & I.R. R.R. is significant for tis association wit More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: The Scranton yards of the D,L & W Railroad are representative of twentieth-century steam-era facilities. Many structures remain from the administration of D,L & W President William H. Truesdale, More
Significance: A unique structure, the Mount Clare Passenger Car Shop is undoubtedly the largest circular (actually 22-sided polygonal) industrial building in the world. It is commonly misidentified as a "round More
Significance: The Engineer's Building was the national headquarters of the Brotherhood of Locomotive Engineers. The BofLE was organized in 1855 and is the oldest railroad operating union in the country. The bui More
Significance: The Engineer's Building was the national headquarters of the Brotherhood of Locomotive Engineers. The BofLE was organized in 1855 and is the oldest railroad operating union in the country. The bui More
Significance: The Engineer's Building was the national headquarters of the Brotherhood of Locomotive Engineers. The BofLE was organized in 1855 and is the oldest railroad operating union in the country. The bui More
Significance: The Engineer's Building was the national headquarters of the Brotherhood of Locomotive Engineers. The BofLE was organized in 1855 and is the oldest railroad operating union in the country. The bui More
Significance: According to the National Historic Landmark nomination, Fireboat EDWARD M. COTTER has the distinction of being not only the oldest operating fireboat in the Great Lakes, but also in the United Sta More
Significance: Developed over a 50 year time span by Seattle City Light, the Skagit River Hydroelectric Project consists of three large dams and power plants: Gorge, Diablo, and Ross. Associated with it is the More
Significance: A rare example of a technology which was once considered to be the best available means of long distance power transmission. The endless-wire cable method was introduced and advanced in the Unite More
Significance: A rare example of a technology which was once considered to be the best available means of long distance power transmission. The endless-wire cable method was introduced and advanced in the Unite More
Significance: The diesel plant housed unique large engines; both the diesel and steam units provided power to the cities of the Salt River Valley during WWII and the very high growth period following. The pump More