y . ▁ ▁From ▁the ▁Revolution ary ▁War ▁at ▁least ▁through ▁World ▁War ▁I , ▁United ▁States ▁Army ▁en list ed ▁personnel ▁responsible ▁for ▁transport ing ▁supplies ▁by ▁w agon ▁and ▁up keep ▁of ▁animals ▁for ▁this ▁purpose ▁were ▁called ▁w agon ers . ▁ ▁Notes ▁ ▁Further ▁reading ▁ ▁T elle en , ▁Maurice ▁( 1 9 7 7 ), ▁The ▁D raft ▁Hor se ▁Pr imer : ▁A ▁Guide ▁to ▁the ▁Care ▁and ▁Use ▁of ▁Work ▁H ors es ▁and ▁M ules , ▁Rod ale ▁Press , ▁Emma us , ▁Pennsylvania , ▁▁ ▁El ser , ▁Sm oke ▁( 1 9 8 0 ), ▁Pack in ' ▁in ▁on ▁M ules ▁and ▁H ors es ▁Mountain ▁Press ▁Publishing ▁Co ., ▁Miss ou la , ▁Mont ana , ▁▁ ▁Geb h ards , ▁St acy ▁V . ▁( 2 0 0 0 ), ▁When ▁M ules ▁W ear ▁Diam onds : ▁Mountain ▁Pack ing ▁with ▁M ules ▁and ▁H ors es ▁W ilder ness ▁Sk ills , ▁Mc Call , ▁Id aho , ▁▁ ▁D amer ow , ▁G ail ; ▁A ins worth , ▁Brand t ▁and ▁Edmund s , ▁Bill ▁( 2 0 0 1 ) ▁D riv ing ▁D raft ▁H ors es , ▁DVD , ▁R ural ▁Heritage ▁Video , ▁C ed ar ▁Rap ids , ▁Iowa , ▁▁ ▁D amer ow , ▁G ail ▁and ▁R ice , ▁Al ina ▁( 2 0 0 8 ), ▁D raft ▁H ors es ▁and ▁M ules : ▁Har ness