63 STAT.] 81ST CONG., 1ST SESS.-CHS. 232, 233-JUNE 21, 1949 required under the provisions of section 2324 of the Revised Statutes of the United States to be made during each year, may be deferred by the Secretary of the Interior as to any mining claim or group of claims in the United States upon the submission by the claimant of evidence satisfactory to the Secretary that such mining claim or group of claims is surrounded by lands over which a right-of-way for the performance of such assessment work has been denied or is in litigation or is in the process of acquisition under State law or that other legal impedi- ments exist which affect the right of the claimant to enter upon the surface of such claim or group of claims or to gain access to the boundaries thereof. SEC. 2 . The period for which said deferment may be granted shall end when the conditions justifying deferment have been removed: Provided, That the initial period shall not exceed one year but may be renewed for a further period of one year if justifiable conditions exist: Providedfurther, That the relief available under this Act is in addition to any relief available under any other Act of Congress with respect to mining claims. SEC. 3 . All deferred assessment work shall be performed not later than the end of the assessment year next subsequent to the removal or cessation of the causes for deferment or the expiration of any deferments granted under this Act and shall be in addition to the annual assessment work required by law in such year. SEC. 4 . Claimant shall file or record or cause to be filed or recorded in the office where the notice or certificate of location of such claim or group of claims is filed or recorded, a notice to the public of claimant's petition to the Secretary of the Interior for deferment under this Act, and of the order or decision disposing of such petition. SEC. 5. Notwithstanding the provisions of any Act of Congress to the contrary, any person who hereafter prospects for, mines, or removes by strip or open pit mining methods, any minerals from any land included in a stock raising or other homestead entry or patent, and who had been liable under such an existing Act only for damages caused thereby to the crops or improvements of the entryman or patentee, shall also be liable for any damage that may be caused to the value of the land for grazing by such prospecting for, mining, or removal of minerals. Nothing in this section shall be considered to impair any vested right in existence on the effective date of this section. Approved June 21, 1949. [CHAPTER 233] AN ACT To amend section 16-416 of the Code of Laws of the District of Columbia, to conform to the nomenclature and practice prescribed by the Federal Rules of Civil Procedure. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Acts of March 3, 1901 (31 Stat. 1345, ch. 854, sec. 963), and of June 30, 1902 (32 Stat. 537, ch. 1329), otherwise known as section 16-416 of the Code of Laws of the District of Columbia, 1940 edition, are amended to read as follows: "All applications for divorce or for a decree annulling a marriage shall be made by complaint to the United States District Court for the District of Columbia, and the proceedings thereupon shall be the same as in equity causes, except so far as otherwise herein provided." Approved June 21, 1949. 215 30U.S. . §28. Termination. Performance of de- ferred work. Filing of notice. Liability for dam- ages. June 21, 1949 8s.1129 [Public Law 116] D. C . Code, amend- ment. Application for di- vore or marriage an- nulment.