Craig Mauzy ... Horizontal (normal) ... 9 Oct 2009
north ... July 1974
south ... July 1954
southeast 3562 ... 5 Aug 1955
southeast 4926 ... 20 Apr 1956
southeast 4948 ... 30 Apr 1956
east 5050 ... 14 Aug 1956
southeast 5048 ... 14 Aug 1956