From city directory, date unknown.
COLORADO DISTRICT TELEGRAPH COMPANY--J. P. Altberger, Manager. 1114 to 1118 Seventeenth street.
POSTAL TELEGRAPH-CABLE COMPANY--William C. Black, Superintendent and Manager. Offices, 926 Seventeenth street, Brown Palace Hotel and Equitable Building.
THE AMERICAN DISTRICT TELEGRAPH COMPANY--H. R. Wolcott, President; E. B. Field, Vice-President and General Manager; E. B. Field, Jr., Secretary and Treasurer; E. F. Keim, Superintendent. Offices, 1447 Lawrence, and 319 Sixteenth street, opposite Court House.
WESTERN UNION TELEGRAPH COMPANY--B. Brooks, Assistant Superintendent; J. P. Altberger, Manager. 1116-1118 Seventeenth street.
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