If your child needs a backpack and school supplies to start the school year, email Commissioner David, Tullos@david.tullos@grimescountytexas.gov or call, 936-306-3604.     Free mammograms for women 40 and over will be available at Navasota Public Library, 1411 E. Washington Avenue, Thursday, Aug. 21, from 9 a.m. to 3 p.m. Open to insured ...