SEAFARER Site Survey, Upper Michigan Region. Book 8. Utilities Data.
GTE SYLVANIA INC NEEDHAM HEIGHTS MASS COMMUNICATIONS SYSTEMS DIV
Pagination or Media Count:
Information has been collected on utility and other long conductor systems including electrical transmission and distribution systems, telephone systems, pipelines, railways, and special purpose long conductors and metallic fences. Electric power companies have approximately 5400 miles of transmission and distribution lines in the area. The telephone system has approximately 500 miles of open wire line and 2200 miles of sheathed cable. There are approximately 550 miles of pipeline in the area ranging from 2 to 36 inches in diameter. Six commercial railroads in the study area have a total track length of 750 miles. Author
- Economics and Cost Analysis
- Civil Engineering
- Non-Radio Communications