▁banks ▁of ▁the ▁E gi in ▁gol . ▁ ▁History ▁▁ ▁The ▁Er den eb ul gan ▁sum ▁was ▁founded , ▁together ▁with ▁the ▁whole ▁Kh ö vs g öl ▁aim ag , ▁in ▁ 1 9 3 1 . ▁In ▁ 1 9 3 3 , ▁it ▁had ▁about ▁ 2 , 6 0 0 ▁inhabitants ▁in ▁ 7 9 2 ▁households , ▁and ▁about ▁ 4 1 , 0 0 0 ▁heads ▁of ▁liv est ock . ▁In ▁ 1 9 5 6 , ▁it ▁was ▁joined ▁with ▁Ts aga an - Ü ür . ▁In ▁ 1 9 5 9 , ▁the ▁Eg - Ü ür ▁farm ▁was ▁founded , ▁and ▁Er den eb ul gan ▁became ▁separate ▁again . ▁In ▁ 1 9 7 5 , ▁the ▁sum ▁was ▁dissol ved ▁once ▁more , ▁the ▁state ▁farm ▁became ▁part ▁of ▁another ▁farm , ▁but ▁both ▁the ▁sum ▁and ▁the ▁farm ▁were ▁re est ab lished ▁in ▁ 1 9 8 5 . ▁The ▁state ▁farm ▁split ▁up ▁into ▁several ▁smaller ▁fir ms ▁in ▁the ▁mid - 1 9 9 0 s . ▁ ▁Econom y ▁▁ ▁In ▁ 2 0 0 4 , ▁there ▁were ▁roughly ▁ 4 7 , 0 0 0 ▁heads ▁of ▁liv est ock , ▁among ▁them ▁ 1 6 , 0 0 0 ▁sheep , ▁ 1 5 , 0 0 0 ▁go ats , ▁ 1 1 , 0 0 0 ▁cattle ▁and ▁y aks , ▁ 5 , 3 0 0 ▁horses