In the 1815-1816 tax year, Henry's land is listed as in the Southwest section of Range 10, Township 9, Section 6. This matches up exactly with the land patent issued in November 1812. He had 130 acres, and was taxed $2.92.
|Source: FamilySearch, Ohio Tax Records, 1816|
http://www.usgennet.org/usa/oh/county/guernsey/maps/townships.html), Township 9 can be found in the southwest corner of Guernsey County, along the border with Muskingum County. This aligns with Spencer Township (organized in 1819).
|Source: Guernsey County Gen Web|
By 1830, Henry had picked up an additional 130 acres in the Northwest part of Section 6 in Spencer Township, plus 2 and a half acres in Section 5.
Azariah Davis appears for the first time in the 1832 tax year, owning 2 cattle of his own. Henry was one of the wealthiest property owners in Spencer Township.
The Ohio tax records is an untapped resource for my other early lines that were in Ohio between 1800-1850. I will need to check these records against other families in my tree.