He crossed the border near Lukeville with a group. Although the last day Abel spoke with his family was on the 15th of October, he likely crossed the border on the 17th. According to notes on hand-drawn map drawn by traveling companions (see images), he walked for about 39 hours before being left behind south/southeast of Ajo. Near where they left him there was a hill, a tower with lights, and an elevated water tank. (Information retrieved from NamUs.gov)