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Fresno Scraper (Patent Application). The front drawbar is pulled by two horses, and pulls the scraper proper behind it, while the operator walks behind controlling the depth of scrape with the handle

Fresno scrapers in use building the Miocene Ditch near Nome, Alaska

Fresno scraper

The Fresno scraper is a machine pulled by horses used for constructing canals and ditches in sandy soil. The design of the Fresno scraper forms the basis of most modern earthmoving scrapers, having the ability to scrape and move a quantity of soil, and also to discharge it at a controlled depth, thus quadrupling the volume which could be handled manually.