sliverflicker is right. A massive scrape like that is called a primary scrape meaning not only one buck in the area uses it but most likely all of the bucks in an area use it. Be careful approaching the area but please do us a favor and hunt by that spot! By buddy Kshunter harvested a 180 class 20 yds from a scrape similar to the one you have pictured. I am very positive this is what it is, if it was made by deer and i might mention i do know a bit of biology and behavior.