The Kansas Near Space Project (KNSP) list is a forum for those interested in amateur radio balloon launches in the central US. The list originally was begun by (Lloyd) Paul Verhage, KD4STH as part of his balloon project.
The photo is from the Great Plains Super Launch 2001 on June 30th, 2001.
These groups regularly post announcements to the KNSP list:
IMG_3936 is from the payload camera, showing Paul Verhage KD4STH climbing up the tree. IMG_5241 is from the road after Paul has grabbed the parachute and some