These photos are available thanks to Art Peterson. He is the curator of the Krambles-Peterson Archive which contains a wealth of historical photos from Chicago transit. Art has generously allowed us to share some of the photos from the archive. When available, he has also provided dates, locations, photographers, and background information on the photos. Thanks so much Art!!
KP1039-CTA Logan Square/Milwaukee/O'Hare, 1st electricly-powered train to run into O'Hare Terminal with #2870 on the west end of the train. Dust is residue from construction. - 06/22/1984
KP1040-CTA Logan Square/Milwaukee/O'Hare, Location of the future tunnel portal - 01/31/1981
KP1041-CTA Logan Square/Milwaukee/O'Hare, #2210 leading an Eastbound train emerging from under the taxiway - 09/05/1984
KP1042-CTA Logan Square/Milwaukee/O'Hare, #2870 leading the 1st electricly-powered train to run on the extension into O'Hare Terminal at the Old Mannheim crossover - 06/22/1984
KP1043-CTA Logan Square/Milwaukee/O'Hare, Right-of-Way at the AGT bridge - 11/07/1990
KP1044-CTA Logan Square/Milwaukee/O'Hare, Looking at the future Extension Right-of-Way at the SOO Line Bridge - 01/31/1981
KP1045-CTA Logan Square/Milwaukee/O'Hare, Ongoing work in the Rosemont Yard - 01/14/1983
KP1046-CTA Logan Square/Milwaukee/O'Hare, Looking toward the east end of the Rosemont Yard/Shop complex - 09/19/1985
KP1047-CTA Logan Square/Milwaukee/O'Hare, #2621 and a 6511-class at the head/end of trains at Rosemont when it was the temporary terminal - 04/1983
KP1048-CTA Logan Square/Milwaukee/O'Hare, The undercar equipment blowdown pit at Rosemont Shop - 04/05/1990
KP1049-CTA Logan Square/Milwaukee/O'Hare, The car wash bay at Rosemont Shop - 04/05/1990
KP1050-CTA Logan Square/Milwaukee/O'Hare, Construction progress at the Cumberland Station looking toward the mezzanine and north pedestrian bridge - 01/14/1983
KP1051-CTA Logan Square/Milwaukee/O'Hare, Construction progress on the Cumberland Station platform - 01/14/1983
KP1052-CTA Logan Square/Milwaukee/O'Hare, Cumberland Station Platform after a decade of use - 10/25/1994
KP1053-CTA Logan Square/Milwaukee/O'Hare, future Right-of-Way looking west from the Canfield bridge - 01/13/1981
KP1054-CTA Logan Square/Milwaukee/O'Hare, Right-of-Way looking east from the Oriole bridge - 05/10/1982
KP1055-CTA Logan Square/Milwaukee/O'Hare, Right-of-Way looking southwest at the site of the future Harlem Station - 01/31/1981
KP1056-CTA Logan Square/Milwaukee/O'Hare, View looking east at Right-of-Way prep work at Natoma - 01/31/1981
KP1057-CTA Logan Square/Milwaukee/O'Hare, View looking west at ongoing track construction at Natoma - 05/10/1982
KP1058-CTA Logan Square/Milwaukee/O'Hare, Aerial view of construction of Foster Shop and Jefferson Park yard - c01/1969
KP1059-CTA Logan Square/Milwaukee/O'Hare, View looking northwest from Foster showing corner of shop and ongoing median work - 07/14/1981
KP1060-CTA Logan Square/Milwaukee/O'Hare, Jefferson Park Yard looking southeast from Foster bridge. Note that #4427-#4428 have had their roofs stripped to for adequate clearance in the Kimball Subway. - 04/04/1971
KP1061-CTA Logan Square/Milwaukee/O'Hare, Looking south across the Jefferson Park construction area - c01/1969
KP1062-CTA Logan Square/Milwaukee/O'Hare, Looking southwest across the Jefferson Park construction area - 09/17/1969
KP1063-CTA Logan Square/Milwaukee/O'Hare, Looking north over the completed and in service Jefferson Park Terminal area - 07/10/1970
KP1064-CTA Logan Square/Milwaukee/O'Hare, Jefferson Park Station House under construction - c01/1969
KP1065-CTA Logan Square/Milwaukee/O'Hare, Looking north at what would become the transportation offices at Jefferson Park - 05/24/1969
KP1066-CTA Logan Square/Milwaukee/O'Hare, Looking south at the Jefferson Park mezzanine and platform under construction - 05/24/1969
KP1067-CTA Logan Square/Milwaukee/O'Hare, Looking northwest on the future southbound track showing tiw placement and station construction progress - c05/1969
KP1068-CTA Logan Square/Milwaukee/O'Hare, Jefferson Park bus terminal facilities under construction - c12/1969
KP1069-CTA Logan Square/Milwaukee/O'Hare, CTA #3240, CTA #365, United Motor Coach #167 and Greyhound #3085 line up at Jefferson Park - 01/30/1970
KP1070-CTA Logan Square/Milwaukee/O'Hare, Jefferson Park pedestrian tunnel looking toward the station house - 02/01/1970
KP1071-CTA Logan Square/Milwaukee/O'Hare, Jefferson Park fare gate and station booth - 09/14/1971
KP1072-CTA Logan Square/Milwaukee/O'Hare, Tunnel under the C&NW tracks leading into Jefferson Park showing the revised switch position dwarf indicators that had been installed north of the station - 02/01/1970
KP1073-CTA Logan Square/Milwaukee/O'Hare, Dwarf indicator in the tunnel under the C&NW tracks north of Jefferson Park showing "normal" indication - 03/04/1976
KP1074-CTA Logan Square/Milwaukee/O'Hare, Dwarf indicator in the tunnel under the C&NW tracks north of Jefferson Park showing "reverse" indication - 03/04/1976
KP1075-CTA Logan Square/Milwaukee/O'Hare, A train of 6000s leaving Jefferson Park Southbound in the snow - 10/27/1976
KP1076-CTA Logan Square/Milwaukee/O'Hare, Northbound train as seen from the Ainslie Bridge - 05/18/1971
KP1077-CTA Logan Square/Milwaukee/O'Hare, A pair of 6511-class cars Southbound near Cicero - 05/18/1970
KP1078-CTA Logan Square/Milwaukee/O'Hare, Aerial view of Montrose Station under construction - 01/25/1969
KP1079-CTA Logan Square/Milwaukee/O'Hare, Montrose Station under construction - 05/01/1969
KP1080-CTA Logan Square/Milwaukee/O'Hare, Montrose Station under construction - 05/01/1969
KP1081-CTA Logan Square/Milwaukee/O'Hare, An train of virtually new 2200s Southbound at Montrose - 01/30/1970
KP1082-CTA Logan Square/Milwaukee/O'Hare, A train of 6000s entering Montrose Station - 08/13/1970
KP1083-CTA Logan Square/Milwaukee/O'Hare, Irving Park Station platform - 05/22/1970
KP1084-CTA Logan Square/Milwaukee/O'Hare, Kedvale Substation and bus turnaround - 09/07/1969
KP1085-CTA Logan Square/Milwaukee/O'Hare, Addison Station under construction - c01/1969
KP1086-CTA Logan Square/Milwaukee/O'Hare, Aerial view of the Addison Station and curve - 09/17/1969
KP1087-CTA Logan Square/Milwaukee/O'Hare, Southbound train of 2200s at Addison Station - 01/30/1970
KP1088-CTA Logan Square/Milwaukee/O'Hare, Southbound train of 2200s at Addison Station - 04/08/1970