62 STAT.] 80TH CONG. , 2D SESS.-CHS. 611 , 612-JUNE 24, 1948 required by or in the mining operations, and no permit shall be required or charge made for such use or occupancy: Provided, however, That the mining operations herein authorized shall be subject to such rules and regulations as the Secretary of Agriculture may deem necessary in furtherance of the purposes for which the said sanctuary was established: Provided further, That the cutting and removal of tim- ber, except where clearing is necessary in connection with mining operations or to provide space for buildings or structures used in connection with mining operations, shall be conducted in accordance with the marking rules and timber sale practices applicable to the Harney National Forest, and no use of the surface of the claim or the resources therefrom not reasonably required for carrying on mining and prospecting shall be allowed except under the national-forest rules and regulations, nor shall the locator prevent or obstruct other occupancy of the surface or use of surface resources under authority of national-forest regulations, or permits issued thereunder, if such occu- pancy or use is not in conflict with mineral development: Provided further, That the Secretary of Agriculture in his discretion may pro- hibit the location of mining claims within six hundred and sixty feet of any Federal, State, or county road, and within such other areas where the location of mining claims would not be in the public inter- est: And provided further,That no patent shall be issued by the United States on any location filed pursuant to the authority contained in this Act. Sec. 2. To facilitate administration for the purpose for which the sanctuary has been established, the western boundary of the sanctuary lying north of Custer State Park is hereby redefined as follows: Beginning at the east quarter corner of section 7, township 2 south, range 5 east, Black Hills meridian; thence south along said section line to its intersection with a line three hundred feet north of the Horse Thief Lake Road; thence southwesterly along a line three hun- dred feet northwesterly from the center line of said road and running approximately parallel thereto to the intersection of said road with United States Highway 85A; thence southerly along a line three hundred feet west of United States Highway 85A and approximately parallel thereto to the present south boundary of said sanctuary in section 3 south, range 4 east, Black Hills meridian. Approved June 24, 1948. [(HAPTER 612] AN ACT To amend Veterans Regulation Numbered 1 (a), parts I and II, as amended, to establish a presumption of service connection for chronic and tropical diseases. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That subparagraph (c) of paragraph I, part I, Veterans Regulation Numbered 1 (a), as amended, is hereby amended by substituting a colon for the period at the end thereof and adding the following: "Provided further, That the term 'chronic disease' as used in this paragraph shall include anemia, primary; arteriosclerosis; arthritis, bronchiectasis; calculi of the kidney, bladder, or gall bladder; cardiovascular-renal disease, including hypertension, myocarditis, Buerger's disease and Raynaud's disease; cirrhosis of the liver; coccidiomycosis; endocarditis; diabetes, mellitus; endocrinopathies; epilepsies; Hodgkin's disease; leukemia, nephritis; osteitis, deformans; osteomalacia; organic diseases of the nervous system, including tumors of the brain, cord, or peripheral nerves; encephalitis lethargica residuals; scleroderma; tuberculosis, active; tumors, malignant; ulcers, peptic (gastric or duodenal) and 581 Rules and regula- tions. Timber. Location of claims, restriction. Issuance of patents. Western boundary of sanctuary. June 24, 1948 [H. R. 38891 [Public Law 748] Veterans. Chronic and tropi- cal diseases. 38U.S.C.note foll. § 739. "Chronic disease."
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