Terrain Tiles (Plains)

Open Grass - https://upload.wikimedia.org/wikipedia/commons/a/ac/Prairie_near_Brooks.JPG
	Small game hunt (Food + Hides, Risk)
	Forage (Food, No risk)
	Can support migrating herd
	Supports settlement

Woods - http://www.globalforestwatch.ca/sites/gfwc/files/images/20090625A_06-GFWC_NS_air_clearcut.jpg
	Small game hunt (Food + Hides, Risk)
	Forage (Food, No risk)
	Cut wood (Wood)

River - http://cdn.c.photoshelter.com/img-get/I0000nMs9sii6syw/s/645/0307-1797.jpg
	Fish (Food, No risk) - Fast replinishment?
	Collect clay (Clay) - Infinite?
	Can support migrating herd
	Supports settlement
	Needs 3 tiles: straight, left turn, right turn

Outcrop - http://cache1.asset-cache.net/gc/86388315-green-hills-and-buttes-in-spring-in-the-gettyimages.jpg?v=1&c=IWSAsset&k=2&d=BgZvDGCe3sjzhHldRmsONVr2bPSCU2B9jnG%2BAjxr8G0mg4LF6DczlBYczt0ugklcfTCFPEK9L9dJKJ67CjGgUA%3D%3D
	Collect stone (Stone) - Infinite?