Rick,
Here's a start. The following are the clubs Tilly visited in Minnesota and the dates he was there on his PGA Course Consultation Tour.
May 1-3, 1936 Rochester, MN
On the 1st, Tilly was very ill and checked into the Mayo Clinic.
Rochester G&CC CE. Tilly planned course.
May 5, 1936 Minneapolis, MN
Golden Valley CC CE; planned course 10 years before.
Westwood Hills CC* - CE; new 13th green.
Superior Golf Course* - New 15th green & forking for greens.
May 6, 1936 Madison, WI
Black Hawk CC CE; new 1st green.
May 7, 1936 Sheboygan, WI
Jamesville CC CE.
Sheboygan CC CE.
May 8, 1936 Racine, WI
Herbert Fisk Johnson Park CE.
October 10-17, 1936 Minneapolis, MN
Hillcrest GC CE.
Keller GC CE, quite unique.
CC of Minneapolis CE.
South View CC CE.
October 18, 1936 Rochester, MN
Rochester CC CE.
Had another physical examination at the Mayo Clinic.
If you go to the Tillinghast Association website,
www.tillinghast.net, you can look up the actual letters that refer to each visit. If you need actual copies of them email me and I'll send them toy ou.