Eastemnet
The Treason of Saruman#27 (x3)
Location
2 (3)
Plains.  
While Eastemnet is the active location, it gains: "Response: After Eastemnet is explored, add 1 resource to each hero's resource pool."

Travel: Increase the pursuit value by 1.

...the Horse-lords had formerly kept many herds and studs in the Eastemnet, this easterly region of their realm... -The Two Towers