BECAUSE OF A LAW that was enacted in 1875, Pedro Salvador of Barlow, Cal, today finds that he cannot bnng back to the United States the girl he met and married while on duty m England The bnde. Joan Velasquez, pictured with Salvador, is the daughter of an English mother and an Indian father. The U. S law states that anyone with 50 percent Indian or Negro blood cannot be admitted If she was full-blooded Indian the law would not apply.was at-es of the 5 corpor-nal Air-overseas an World ■seas Air-jxline(International)