Exchange area boundaries of all telephone companies in state of Illinois.

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Bibliographic Details
Corporate author / creator:	Illinois Commerce Commission.
Edition:	Rev. 5-19-77.
Imprint:	[Springfield, Ill.] : Illinois Commerce Commission, 1977.
Description:	1 map : col. ; 109 x 58 cm.
Language:	English
Subject:	Telephone stations -- Maps. Telephone -- Illinois -- Maps. Telephone. Telephone stations. Illinois. Maps.
Cartographic data:	Scale not given.
Format:	Map Print
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/3720190

Hidden Bibliographic Details
Notes:	Coordinates: W 91⁰30ʹ--W 87⁰30ʹ/N 42⁰30ʹ--N 37⁰.

Regenstein, Room 370, Map Collection

Holdings details from Regenstein, Room 370, Map Collection
Call Number:	G4101.P94 1977 .I4
c.1	Available Loan period: building use only Need help? - Ask a Librarian