numerous people[1] have similar idea[1] edgar and allen hetteen and david 
johnson of roseau[1] minnesota[1] be among the first to build[2]=human 
a practical snowmobile in but the early machine[6]=car be heavy[2] lb[1]=pound 
or kg[1]=kilogram and slow mph[2]=miles or km[1]=kilometer h their company[1] 
hetteen hoist derrick[1] co become polaris[1] industry[1] a major[1] snowmobile 
manufacturer[2] it be only in when engine[2] become lighter[3]=barge and 
smaller than before that bombardier[2] invent what we know as the modern[2] 
snowmobile in its open[3] cockpit[3] one or two person form[2]=kind and 
start[1] sell it as the ski doo competitor[1]=rival spring[2] up and copy[2] 
and improve his design[4] in the s there be over a hundred of snowmobile 
manufacturer[2] from to they sell close[1]=stopping to two million machine[6]=car 
a sale[1] summit[2]=peak never since equal[1]=peer with a peak[4] of half[1]=one 
a million in many of the snowmobile company[1] be small[1] outfit[1] and 
the biggest manufacturer[2] be often attempt[1] by motorcycle maker[3]=manufacturer 
and outboard[2] motor[1] maker[3]=manufacturer to branch[2] off in a new 
market[4] most of these company[1] go bankrupt during the gasoline crisis[1] 
of and succeed recession[2]=recess or be buy[1]=bargain up by the larger 
one sale[1] rebound[2] to in but go down gradually afterward influence[4] 
by warmer[1]=heater winter and the use[4]=consumption during all four season[2] 
of small[1] one or two person atvs the snowmobile market[4] be now divide[2]=watershed 
up between the four large north[3] american[2] maker[3]=manufacturer ski 
doo arctic[1] cat[6]=caterpillar yamaha and polaris[1] and some specialize 
maker[3]=manufacturer like the european[1] alpina snowmobile modern[2] 
snowmobile can achieve speed[5]=amphetamine in excess[3]=surfeit of mph[2]=miles 
km[1]=kilometer h race[2] snowmobile reach[4]=compass speed[5]=amphetamine 
in excess[3]=surfeit of mph[2]=miles km[1]=kilometer h