62 STAT.] 80TH CONG. , 2D SESS.-CH. 645-JUNE 25, 1948 787 or uses the mails or any instrumentality of interstate commerce for the purpose of sending or bringing into any State or Territory any set of artificial teeth or prosthetic dental appliance or other denture, constructed from any cast or impression made by any person other than, or without the authorization or prescription of, a person licensed to practice dentistry under the laws of the place into which such denture is sent or brought, where such laws prohibit; (1) the taking of impressions or casts of the human mouth or teeth by a person not licensed under such laws to practice dentistry; (2) the construction or supply of dentures by a person other than, or without the authorization or prescription of, a person licensed under such laws to practice dentistry; or (3) the construction or supply of dentures from impressions or casts made by a person not licensed under such laws to practice dentistry- Shall be fined not more than $1,000 or imprisoned not more than one year, or both. CHAPTIE 91. -PUBLIT LANDS Sec. 1851. Coal depredations. 1852. Timber removed or transported. 1853. Trees cut or injured. 1854. Trees boxed for pitch or turpentine. 1855. Timber set afire. 1856. Fires left unattended and unextinguished. 1857. Fences destroyed; livestock entering. 1858. Survey marks destroyed or removed. 1959. Surveys interrupted. 1860. Bids at land sales. 1861. Deception of prospective purchasers. 1862. Trespass on Bull Run National Forest. § 1851. COAL DEPREDATIONS Whoever mines or removes coal of any character, whether anthra- cite, bituminous, or lignite, from beds or deposits in lands of, or reserved to the United States, with intent wrongfully to appropriate, sell, or dispose of the same, shall be fined not more than $1,000 or imprisoned not more than one year, or both. This section shall not interfere with any right or privilege con- ferred by existing laws of the United States. § 1852. TIMBER REMOVED OR TRANSPORTED Whoever cuts, or wantonly destroys any timber growing on the public lands of the United States; or Whoever removes any timber from said public lands, with intent to export or to dispose of the same; or Whoever, being the owner, master, pilot, operator, or consignee of any vessel, motor vehicle, or aircraft or the owner, director, or agent of any railroad, knowingly transports any timber so cut or removed from said lands, or lumber manufactured therefrom- Shall be fined not more that $1,000 or imprisoned not more than one year, or both. This section shall not prevent any miner or agriculturist from clear- ing his land in the ordinary working of his mining claim, or in the preparation of his farm for tillage, or from taking the timber neces- sary to support his improvements, or the taking of timber for the use of the United States; nor shall it interfere with or take away any right or privilege under any existing law of the United States to cut or remove timber from any public lands. § 1853. TREES CUT OR INJUTRED Whoever unlawfully cuts, or wantonly injures or destroys any tree growing, standing, or being upon any land of the United States which,
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