Who Invented the Fresno Scraper?

I’m an anthropologist/archaeologist and not much inclined to embrace the “great man” approach to history. I suspect that many creative individuals had a hand in developing what became the landmark, horse-drawn Fresno scraper (photo at left). The desire to level San Joaquin Valley land for irrigation and dig ditches was the initial driver. And the mechanical . . . → Read More: Who Invented the Fresno Scraper?