Quote Originally Posted by Brock7 View Post
The 1885 map is from a Detroit atlas which was produced by a different publisher than the Wayne County atlases.

Links for accessing or downloading the atlases at archive.org are in this post:
http://www.detroityes.com/mb/showthr...664#post383664

A link for the 1855 Wayne Co./Detroit map is in this thread:
http://www.detroityes.com/mb/showthr...y-Detroit-Maps


I was only able to find two plats that that include that line, but they show that it did extend to Caniff[[Four Mile).

To see the following plats the java plugin needs to be installed and enabled in your browser.

For lots 37 & 38:
http://www.dleg.state.mi.us/platmaps...C_SUBINDEX=586

For lots 30 & 39:
http://www.dleg.state.mi.us/platmaps...C_SUBINDEX=549


Search site for Michigan plats is here:
http://www.dleg.state.mi.us/platmaps/sr_subs_adv.asp
Just a "maybe" but the guy who owned a large piece might have split his land in two along a diagonal line which represented a ditch or a hedge line and sold one part to another party. Two heirs may have split the land again along some sort of recognizable feature.