[0:48:16 - 0:48:31] In the spring of 1968 county made her 16-late-year model in the tube format with the lowest screening on a rock, the higher hardware cloth as it happened at the bottom.

[0:49:35 - 0:49:45] County, Louis and my niece had suggested the protractor instead of the raw system that I was using and the idea was an excellent one.