Map of Allegheny Co., Pennsylvania : from actual surveys /

General-content county map showing relief, roads, railroads, place-names, buildings in rural areas, and householders' names in rural areas.
Relief shown by hachures.
Also covers the Pittsburgh metropolitan area.
Former wall map hand col. to emphasize boundaries of minor civil divisions (cities, boroughs, townships).
"Entered according to Act of Congress by H. & C.T. Smith in the year 1862 in ... Eastern District of Pennsylvania."
Originally printed on multiple sheets now conjoined; at a later date sectioned to 6 panels (3 panels per present sheet) to enable folding.
LC sheets imperfect: Brittle, missing sections at sheet edges, fold-lined, annotated in pencil and ink.
LC Land ownership maps, 701
Includes 24 insets of towns/villages (including the cities of Pittsburgh, Allegheny, and McKeesport), business directories (some indexed), distance table, statistical table/data, ill., and state coat-of-arms.
Available also through the Library of Congress Web site as a raster image.