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| maps:start [2026-04-14 17:53] – J. B. Crawford | maps:start [2026-06-17 02:17] (current) – J. B. Crawford |
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| ^ 1909 | {{:maps:system:1909_system_map.jpg?linkonly|Lines of the Bell Telephone Companies }} | M14 | Jul. 1 1909 | via Telecom Archaeology | | ^ 1909 | {{:maps:system:1909_system_map.jpg?linkonly|Lines of the Bell Telephone Companies }} | M14 | Jul. 1 1909 | via Telecom Archaeology | |
| ^ 1922 | {{:maps:system:1922_system_map.jpg?linkonly|Routes of the American Telephone and Telegraph Company and Associated Companies}} | M21 | | via Telecom Archaeology | | ^ 1922 | {{:maps:system:1922_system_map.jpg?linkonly|Routes of the American Telephone and Telegraph Company and Associated Companies}} | M21 | | via Telecom Archaeology | |
| ^ 1936 | {{:maps:system:1936_system_map.png?linkonly|Toll Lines of the Bell Telephone System}} | M17 | | via Telecom Archaeology | | ^ 1936 | {{:maps:system:1936_system_map.png?linkonly|Toll Lines of the Bell Telephone System}} | M25 | | via Telecom Archaeology | |
| ^ 1941 | {{ :maps:system:1941_long_lines_map.pdf|Routes of American Telephone and Telegraph Company, Long Lines Department }} | M1 | Jan. 1 1941 | via Telecom Archaeology | | ^ 1941 | {{ :maps:system:1941_long_lines_map.pdf|Routes of American Telephone and Telegraph Company, Long Lines Department }} | M1 | Jan. 1 1941 | via Telecom Archaeology | |
| ^ 1941 | {{ :maps:system:1941_bradband_routes.jpg?linkonly|Present and Proposed Routes of Broad Band Carrier Systems}} | M2 | Dec. 31 1941 | | | ^ 1941 | {{ :maps:system:1941_bradband_routes.jpg?linkonly|Present and Proposed Routes of Broad Band Carrier Systems}} | M2 | Dec. 31 1941 | | |
| ^ 1955 | {{ :maps:system:1955_system_map.pdf | Routes of American Telephone and Telegraph Company, Long Lines Department }} | M16 | Dwg. No. 23414-33 Jan. 1955 | via Telecom Archaeology | | ^ 1955 | {{ :maps:system:1955_system_map.pdf | Routes of American Telephone and Telegraph Company, Long Lines Department }} | M16 | Dwg. No. 23414-33 Jan. 1955 | via Telecom Archaeology | |
| ^ 1960 | {{:maps:system:1960_microwave.jpg?linkonly|Broadband Microwave Radio Relay Systems (Bell and Connecting Routes)}} | M4 | Mar. 15 1960 | | | ^ 1960 | {{:maps:system:1960_microwave.jpg?linkonly|Broadband Microwave Radio Relay Systems (Bell and Connecting Routes)}} | M4 | Mar. 15 1960 | | |
| ^ 1960 | {{:maps:system:1960_microwave.jpg?linkonly| Major Communication Lines of the Long Lines Department }} | M17 | Jun. 1960 | via Telecom Archaology | | ^ 1960 | {{:maps:system:1960_system_map.pdf?linkonly| Major Communication Lines of the Long Lines Department }} | M17 | Jun. 1960 | via Telecom Archaology | |
| ^ 1966 | {{:maps:system:1966_microwave_map_west.jpg?linkonly|Broadband Microwave Radio Relay Systems, Western Section (Bell and Connecting Routes)}} | M5 | Oct. 1 1966, 3 of 3 | | do you have more pages? | | ^ 1966 | {{:maps:system:1966_microwave_map_west.jpg?linkonly|Broadband Microwave Radio Relay Systems, Western Section (Bell and Connecting Routes)}} | M5 | Oct. 1 1966, 3 of 3 | | do you have more pages? | |
| ^ 1972 | {{:maps:system:1972_l-carrier_map.jpg?linkonly|Fundamental Planning Facility Map, High Capacity Facilities}} | M6 | Jan. 1972 | | | ^ 1972 | {{:maps:system:1972_l-carrier_map.jpg?linkonly|Fundamental Planning Facility Map, High Capacity Facilities}} | M6 | Jan. 1972 | | |