DCHP-1 Online
blind line Upper Canada, Hist. 
See quote.
- 1909 Yet, still another system came into use in the latest surveys . . . in 1832 and 1833, where a side road was placed at every third lot, and the alternative concession lines, called "blind lines," have been usually left unopened.
- 1909 Yet, still another system came into use in the latest surveys . . . in 1832 and 1833, where a side road was placed at every third lot, and the alternative concession lines, called "blind lines," have been usually left unopened.