subject

pittsburgh region

pittsburgh region: explore 2 source-linked works published from 1906 to 1917, with original documents and citations.

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Coverage and selection

Includes records with this source-supplied label or an explicit phrase match in their metadata. Matches indicate a mention, not proof that a paper uses a method or tests a material. Source versions are consolidated by DOI.

Sources: loc. Collection updated 2026-09-20. Counts describe this index, not the complete source archives.

Library of Congress1917

[Railroad map showing coal transportation rates in northwestern Pennsylvania and northeastern Ohio : based on the Pittsburgh and Connellsville districts, Pennsylvania]

Covers the area between Toledo, Dayton, Connellsville, and Erie. Title devised by cataloger. Available also through the Library of Congress Web site as a raster image. LC copy soiled and annotated in pencil: For Exr. Disqua July 6, 1917. LC copy accompanied by handwritten (lead pencil) note describing revised coal rates. [1] sheet : ms. ; 26 x 21 cm.

ohio↗

Library of Congress1906

Map of the Pittsburgh district showing railroad terminals and location of iron and steel works having track connections

Main map covers city and suburbs. Inset maps cover railroad extensions into region. "Supplement to The Iron Age, March 22, 19[06]." Includes "Alphabetical list of works ...," indexed "Numerical list of works ...," list of blast furnaces, directory of railroad connections, and 5 insets. Available also through the Library of Congress Web site as a raster image. LC copy brittle, torn along fold lines, and lacking sections along margins.

pittsburgh region↗

Compare source metadata on this page

Work	Published	Source identifier	Source
[Railroad map showing coal transportation rates in northwestern Pennsylvania and northeastern Ohio : based on the Pittsburgh and Connellsville districts, Pennsylvania]	1917	93685030	loc
Map of the Pittsburgh district showing railroad terminals and location of iron and steel works having track connections	1906	87693147	loc

These are bibliographic comparisons, not experimental rankings. Follow the original document for methods and conditions.