na INLIS000000000025908 Ind 0010-1218007746 LAWS and regulations pertoning to the importation of plants to the island of Porto Rico LAWS and regulations pertoning to the importation of plants to the island of Porto Rico United States Department of Agriculture United States Department of Agriculture Washington, D.C. USDA 1910 1 p. : ill. ; 25 cm. 1 p. : ill. ; 25 cm. 347.243(729.5)LAW 347.243(729.5) AGRICULTURAL AND RURAL LEGISLATION PUERTO RICO mfn-27764