Mixed ... J.H. Oliver R.S. Young C.H. Morgan II M. Crosby ... 583 777 ... 1935, 1936
View of southeast cornern of area ... AMS Horizontal (normal)
18-19/ΚΓ-ΚΖ from southwest ... AMS Horizontal (normal)
15-19/ΚΖ from south ... AMS Horizontal (normal)