50 C.F.R. § 37.11 General standards for exploratory activities.
Title 50 - Wildlife and Fisheries
(a) No exploratory activities shall be conducted without a special use permit. Requirements and procedures for obtaining a special use permit are prescribed in §§37.21 through 37.23. (b) Exploratory activities shall be conducted so that they do not: (1) Significantly adversely affect the refuge's wildlife, its habitat, or the environment; (2) Unnecessarily duplicate exploratory activities of the permittee or another permittee; and (3) Unreasonably or significantly interfere with another permittee's activities. (c) Reexamination of an area may be permitted by the Regional Director if necessary to correct data deficiencies or to refine or improve data or information already gathered. (d) Drilling of exploratory wells is prohibited.
Title 50: Wildlife and Fisheries
PART 37—GEOLOGICAL AND GEOPHYSICAL EXPLORATION OF THE COASTAL PLAIN, ARCTIC NATIONAL WILDLIFE REFUGE, ALASKA
Subpart B—General Requirements
§ 37.11 General standards for exploratory activities.

