Results 91 to 100 of about 1,774,538 (199)

General house and plant map Central Iron and Coal Company Holt Alabama : including the Central Foundry Company.

open access: yes, 1939
Map revised on several dates. The latest being Aug. 15, 1939.; Map shows lands located in Holt (unincorporated area), Tuscaloosa County, Alabama.; Legend keyed to identify: railroads, roads and streets, fire plugs, high tension transmission lines ...
Central Iron and Coal Company.
core   +1 more source

Lehigh Coal and Navigation Company Records - Item 1422: Plan of Rack and Pinion, Single Stem, Gate Lift Device

open access: yes, 1911
Full date of technical drawing: November 14, 1911. This schematic shows a standard plan of a rack and pinion, single stem, gate lift device made using cast iron.

core  

COAL FORMATION DAMAGE ACCUMULATION MODEL AT COAL MINE DEGASSING WELLS

open access: yesVestnik of Kuzbass State Technical University
Konstantin H. Lee   +4 more
openaire   +1 more source

Lehigh Coal and Navigation Company Records - Item 390: Plan of Auxiliary Movable Dam to Increase Height of Dam Number 4

open access: yes, 1910
This item is one of several that details Dam number 4, including items 390 and 391. This schematic shows the plan of an auxiliary moveable dam to increase the height of dam number 4 in Treichlers, PA.

core  

Lehigh Coal and Navigation Company Records - Item 391: Plan of Auxiliary Moveable Dam to Increase Height of Dam Number 4

open access: yes, 1910
This schematic shows the plan of an auxiliary moveable dam to increase the height of dam number 4 in Treichlers, PA. It belonged to the Engineering Division of the Canal Department of the Lehigh Coal and Navigation Company.

core  

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