Neal Rudolph Altie Johnson Move to Sweetwater TX Area IN 1930 They T

Neal Rudolph & Altie Johnson move to Sweetwater Tx area in 1930 they took with them, Neal's parents Charlie Jackson Johnson & Rebecca Francis (Franny) Spiker-Johnson, Also Neal
& Altie's children RB, AT, Juanita Lottie, Charlie, & Baby of 2 -3 months Jackie D. According to AT (he was 7 at the time) Charlie Jackson Johnson died & was buried around the Sweetwater area
I am looking for burial place & where I can get a copy of death certificate. The baby Jack D is my father