Freshwater species sampling with BNA Essex led by Ken Biggins MBNA of Sandford Mill Stream, on the River Chelmer. Meet at 2pm by the footbridge that crosses Sandford milltail stream at the bottom of Brook End Road, Chelmsford, Essex CM2 6NY near Sandford Mill, [5739,2061]. Approach from Chelmer Village Way, into Sandford Mill Road (go […]