SDCL § 49-30-10: Powers of corporation--Accessory facilities.

Every corporation formed under the provisions of this chapter, and every corporation formed under the laws of any other state or territory or of the United States, owning or operating lines of telegraph or telephone within this state, shall have power to erect and maintain all necessary and convenient buildings, fixtures, and machinery for the accommodation and use of its patrons, and for the carrying on of its business.