Participating area.

Two counterparts of a substantiating geologic report, including structure-contour map, cross sections, and pertinent data, shall accompany each application for approval of a participating area or revision thereof under an approved agreement. [48 FR 26766, June 10, 1983. Redesignated at 48 FR 36587, Aug. 12, 1983, and further redesignated at 53 FR 17365, May 16, 1988]