TO WED JULY 1 are Miss Linda Dianne Orr and Jewel L. McBroom, whose forthcoming marriage is announced by her parents, Mr. and Mrs. Aubrey Orr of Crossett, Ark. The future groom is the son of Mrs. T. J. McBroom, West Monroe and the late Mr. McBroom. The wedding will take place at 7 p.m. in Meridian Baptist Church at Crossett with Miss Melanie Robinson as maid of honor and James R. McBroom as best man.