01347cas a2200373Ia 4500102894067MiAaHDL20220818000000.0m d cr bn ---auaua900530d192019uupaumr p 0 0eng dsdr-uiuc.99183886012205899(EXLNZ-01CARLI_NETWORK)991010631669705816(UIUdb)1838860(OCoLC)517419344960661-01carli_networkPLFPLFOCLCQUIUdbn-us-paUIUU665.705U34cLOCAL665.705U34cThe U.G.I. circle.United Gas Improvement circlePhiladelphia :United Gas Improvement Co.,1920-v. :ill. ;26 cm.MonthlyVol. 1, no. 1 (July 1920)-"By, of and for employees of the United Gas Improvement Company and other gas and electric companies."No more published?Mode of access: Internet.United Gas Improvement CompanyPeriodicals.Electric utilitiesPennsylvaniaPhiladelphiaPeriodicals.Gas companiesPennsylvaniaPhiladelphiaPeriodicals.United Gas Improvement Company.10289406720200410220641.020220818000000.020220818140512.02025-07-09T17:50:23Z2025-07-09T17:30:02ZSDR-UIUCALMAprepare.pl-004-008SEsdr-uiuc.99183886012205899uiugSDRUIUCuiug.30112104316309UIUv.5-6 (1924:July-1926:June)99183886012205899UIUUIUC20250709googleuiug.30112104316309v.5-6 (1924:July-1926:June)1926pdbibUS serial item date < 1931UIUUIUC20250322googleuiug.30112104316317v.3-4 (1922:July-1924:June)1924pdbibUS serial item date < 1931UIUUIUC20260129googleuiug.30112104316234v.11-12 (1930:July-1931:June)1931pdusgfvUIUUIUC20250720googleuiug.30112104316184v.20-21 (1939:July-1941:June)1941icbibUS serial item date >= 1931