Miscellaneous coarse; lead rod fragments ... 6 March 1937
March 1937
1 April 1937
1-2 April 1937
2 April 1937
3 April 1937
5 April 1937
6 April 1937
6-7 April 1937
7 April 1937
7-8 April 1937
8, 9, 14 April 1937
14 April 1937
15 April 1937
22-27 April 1937