If Homestake was making money, big money in the Great Depression then we can only guess that there must have been sufficient capital for the late stage developers like Tyhee to go into production.
Alas, as I have been so unsuccessful in getting the data on the juniors, I can only guess about success in that "survivor" sector. (That's JP's term).
Remember, the Giant mine started up in the middle of the 30's I guess we'll have to ask Dr. Webb where they go the dough for that.
Baires here, waiting for capital.