09.03.21-09.06.21  We finally gave Old Highway 41 No. 3 campground in Cartersville, GA a chance and we are so glad we did!  Old Highway 41 No. 3 Campground is a Corps of Engineers campground on Lake Allatoona. Unfortunately it is only open May 13 – September 5 (Labor Day). The campground has 50 sites, many of them waterfront. There is a playground, boat ramp (no dock), and dump station.  The location of the campground is the big negative. The campground can be seen from interstate 75 and the traffic from the interstate can be heard through most of the campground. Fortunately, we were on the far side and did not…