Near to the latter, and by that on the Muskingum, were strong gates, of a size to admit teams, the approaches to which were commanded by the block houses.

These block houses were surmounted by sentry boxes, or turrets, the sides of which were secured with thick planks for the defense of the men when on guard.

It was occupied by the United States troops, who kept a sentry, and assisted in guarding the garrison until sent down the Ohio to join General Anthony Wayne.

A group of associates moved about 15 miles down the Ohio River from Marietta, opposite the mouth of the Little Kanawha River; the settlers constructed the fortification of Farmer's Castle for protection during the Indian war at the site of modern-day Belpre, Ohio.

Another group of associates moved about 20 miles up the Muskingum River from Marietta, near the mouth of Wolf Creek; they built Fort Frye for protection during the war at the site of modern-day Beverly, Ohio.