2021.009.3.239--charles stats 35mm neg--C&NW--Broadway interlocking tower--Green Bay WI--c1970
2021.009.10.040--charles stats 35mm kodachrome--ICRR--interlocking tower crossing with P&E--Champaign IL--1990 0519
2021.009.10.043--charles stats 35mm kodachrome--ICRR--Avenue interlocking tower--Springfield IL--1990 0520
2021.009.10.044--charles stats 35mm kodachrome--ICRR--Avenue interlocking tower--Springfield IL--1990 0520
2021.009.10.046--charles stats 35mm kodachrome--ICRR--Avenue interlocking tower--Springfield IL--1990 0520
2021.009.10.069--charles stats 35mm kodachrome--GTW--interlocking tower--Blue Island IL--1990 0814
2021.009.10.117--charles stats 35mm kodachrome--B&O--HM interlocking tower--Hamler OH--1988 0618
2021.009.10.119--charles stats 35mm kodachrome--DUT--interlocking tower at Dallas Union Terminal--Dallas TX--1972 0817
2021.009.10.425--charles stats 35mm ektachrome--PRR--C interlocking tower--Johnstown PA--2005 0605
2021.009.10.498--charles stats 35mm kodachrome--WAB ICRR NKP--interlocking tower crossing--Gibson City IL--1983 0813
2021.009.10.510--charles stats 35mm kodachrome--ICRR PRR--interlocking tower--Riverdale IL--1973 0414
2021.009.10.512--charles stats 35mm kodachrome--NYC--interlocking tower FN crossing DT&I as seen from hindend of B&O Cincinnatian--Trenton MI--1967 0603
2021.009.10.514--charles stats 35mm kodachrome--PRR--Bart interlocking tower (former EJ&E crossing)--Hobart IN--1986 0621
2021.009.10.516--charles stats 35mm kodachrome--GM&O--Iles interlocking tower--Springfield IL--1990 0320
2021.009.10.523--charles stats 35mm kodachrome--ICRR P&E--interlocking tower--Farmer City IL--1983 0813
2021.009.10.524--charles stats 35mm kodachrome--B&O--interlocking tower--Milan IN--1994 1007
2021.009.10.525--charles stats 35mm kodachrome--EJ&E--interlocking tower--Griffith IN--1999 0606
2021.009.10.532--charles stats 35mm kodachrome--EJ&E--interlocking tower--Griffith IN--1999 0606
2021.009.10.538--charles stats 35mm kodachrome--EJ&E--interlocking tower--Griffith IN--1990 0522
2021.009.10.535--charles stats 35mm kodachrome--EJ&E NKP--Van Loon interlocking tower--Gary IN--1990 0522
2021.009.10.536--charles stats 35mm kodachrome--EJ&E NKP--Van Loon interlocking tower--Gary IN--1990 0522
2021.009.10.537--charles stats 35mm kodachrome--PRR--interlocking tower--Hartsdale IN--1990 0522
2021.009.10.549--charles stats 35mm ektachrome--C&O--Pleasant Street interlocking tower--Grand Rapids MI--1990 0428
2021.009.10.552--charles stats 35mm ektachrome--N&W NYC--interlocking tower--Worthington OH--1968 0831
2021.009.10.553--charles stats 35mm ektachrome--PRR WAB--Mike interlocking tower--Fort Wayne IN--1989 0200
2021.009.10.561--charles stats 35mm ektachrome--ERIE--GS interlocking tower--Kingsland IN--1977 0626
2021.009.10.563--charles stats 35mm ektachrome--ERIE--GS interlocking tower--Kingsland IN--1977 0626
2021.009.10.562--charles stats 35mm ektachrome--NYC CCC&StL--Sheff interlocking tower--Sheff IN--1975 0420
2021.009.10.565--charles stats 35mm ektachrome--MC (NYC) PM--interlocking tower--Porter IN--1972 0718
2021.009.10.572--charles stats 35mm ektachrome--CRI&P--MC interlocking tower--Joilet IL--1988 0319
2021.009.10.573--charles stats 35mm ektachrome--EJ&E CRI&P--interlocking tower--Joliet IL--1988 0319
2021.009.10.579--charles stats 35mm ektachrome--ITS--interlocking tower--location unknown--1990 0520
2021.009.10.590--charles stats 35mm kodachrome--CR (PRR)--Cork interlocking tower--Lancaster PA--1989 0506
2021.009.10.599--charles stats 35mm kodachrome--CR (PRR)--Cork interlocking tower--Lancaster PA--1989 0506
2021.009.10.592--charles stats 35mm kodachrome--CR (NYC)--Judd interlocking tower crossing C&O--LaPorte IN--1989 0521
2021.009.10.593--charles stats 35mm kodachrome--N&W (WAB)--LaFayette interlocking tower--Lafayette IN--1975 0420
2021.009.10.559--charles stats 35mm ektachrome--N&W (WAB)--LaFayette interlocking tower--Lafayette IN--1975 0420
2021.009.10.598--charles stats 35mm kodachrome--B&O NKP--Leipsic interlocking tower--Leipsic OH--1988 0618
2021.009.10.602--charles stats 35mm kodachrome--NYC--interlocking tower (first tower to use CTC)--Fostoria OH--1988 0619
2021.009.10.604--charles stats 35mm ektachrome--PC (NYC)--interlocking tower--Clarks Hill IN--1971 0628
2021.009.10.608--charles stats 35mm kodachrome--C&O MON--interlocking tower--LaCrosse IN--1983 0724
2021.009.10.613--charles stats 35mm kodachrome--ERIE--interlocking tower--Newton IN--1976 0321
2021.009.10.618--charles stats 35mm kodachrome--PRR MON--interlocking tower--Wanatah IN--1966 0331
2021.009.10.621--charles stats 35mm kodachrome--PRR--interlocking tower--Kouts IN--1976 0321
