All structures built and used primarily for fire management, e.g. lookout towers, lookout cabins, telephone lines, and also firebreaks, fuel breaks, and roads to lookouts.

Standby crew in an area of expected high fire occurrence, generally on a day of critical fire weather.

A measure of acres calculated (i.e., infrared) from a geospatial perimeter of a fire. More specifically, the number of acres within the current perimeter of a specific, individual incident, including unburned and unburnable islands.

Personnel assigned to supervisory positions, including incident commander, command staff, general staff, branch directors, supervisors, unit leaders, managers and staff.

Emergency medical care and interventions performed by an Advanced EMT or Paramedic with limited supervision, using critical thinking and autonomous decision making skills which includes invasive procedures and medication administration.

Advanced life support skills performed by an EMS practitioner or service, e.g. intravenous fluids and drug administration.

A self-contained unit consisting of a water tank, fire pump, and hose specially designed to be carried on a logging skidder for use in forest fire suppression.

A period of relatively long duration with substantially below-normal precipitation, usually occurring over a large area.

Chronological listing of the dates of fires documented in a designated area, the dates being corrected by crossdating. Size of the area must be specified.

All actions taken to stop the spread of fire.