Assertion: rotary plow | /r/AtLocation | reserve
Facets:
value: for areas with poor road access
type: PURPOSE
Source sentences:
text: The few remaining rotary plows in North America are either owned by museum railroads, or are kept in reserve for areas with poor road access and routine severe snowfall conditions; the largest remaining fleet of rotaries consists of Union Pacific Railroad's six ex-Southern Pacific plows reserved for Donner Pass.