Various answers, corrections &c. ATTN: Jim Holland & John Swindler

[Donald Galt]

Not necessarily the final word folks, but:

PITTSBURGH SOUTHERN

Eyeballing it on the map, I'd say the railway distance would easily 
be 12 miles from Finleyville to Castle Shannon, with at least 
another four to the West End via Mt. Lebanon and Banksville.

The following is extracted from Hilton's AMERICAN NARROW-
GAUGE RAILROADS:

"[The Pittsburgh, Castle Shannon & Washington Railroad] was 
originally planned as a southern extension of the ... Pittsburgh & 
Castle Shannon ... to reach a coal-producing area at Finleyville, 12 
miles to the south [i.e. 12 mi from Castle Shannon]."


W LIBERTY & BROOKLINE

To answer my own question, Lippincott's map of Greater 
Pittsburgh, copyright 1908, shows West Liberty incorporated into 
Pgh, mostly into the 19th Ward along with Mount Washington, but 
partly into the 18th with Beltzhoover and Allentown. Beechview, not 
absorbed until the year following, is still shown as a separate 
municipality.

Streetcar lines are shown out W Liberty Avenue to the edge of the 
map just short of Dormont Jct (Dormont is not yet incorporated) 
and along Brookline Blvd as far as the city limit at Queensborough. 
So, obviously these two lines were in place by 1908.

EAST LIBERTY

I mistakenly wrote earlier that East Liberty had lain on the 
boundary between Collins and Pitt Townships. The line between 
Collins and Peebles Townships (NOT Pitt) followed Penn Avenue. I 
suppose E Liberty might more accurately be said to have sat on 
the Collins Tp side of this line.

D2