Identification and mapping of coal refuse banks and other targets in anthracite region of Pennsylvania
Identification and Mapping of Coal Refuse Banks and Other Targets in the Anthracite Region
09.03.1973
Aufsatz (Konferenz)
Keine Angabe
Englisch
NTRS | 1973
|Grates, ash pans and dampers for Anthracite and Bituminous coal locomotives
Engineering Index Backfile | 1899
Engineering Index Backfile | 1929
Grate for burning fine anthracite coal -- Delaware, Lackawanna and Western railroad
Engineering Index Backfile | 1896
Engineering Index Backfile | 1915