25

 40

 25

SOCORRO COUNTY

RIO ARRIBA COUNTY

UNION COUNTY

LINCOLN COUNTY

COLFAX COUNTY

SAN MIGUEL COUNTY

LAS ANIMAS COUNTY

QUAY COUNTY

SANDOVAL COUNTY

TORRANCE COUNTY

BACA COUNTY

CHAVES COUNTY

TAOS COUNTY

GUADALUPE COUNTY

MORA COUNTY

DE BACA COUNTY

ROOSEVELT COUNTY

HARDING COUNTY

SANTA FE COUNTY

CIBOLA COUNTY

CIMARRON COUNTY

CURRY COUNTY

DALLAM COUNTY

HARTLEY COUNTY

OLDHAM COUNTY

HUERFANO COUNTY

COSTILLA COUNTY

CONEJOS COUNTY

ARCHULETA COUNTY

DEAF SMITH COUNTY

LAMB COUNTY

BENT COUNTY

MCKINLEY COUNTY

BERNALILLO 

COUNTY

VALENCIA COUNTY

SAGUACHE COUNTY

OTERO COUNTY

CASTRO COUNTY

MINERAL COUNTY

PARMER COUNTY

BAILEY COUNTY

HOCKLEY COUNTY

POTTER COUNTY

MOORE COUNTY

PROWERS COUNTY

TEXAS COUNTY

LA PLATA COUNTY

SHERMAN COUNTY

RIO GRANDE COUNTY

HALE COUNTY

RANDALL COUNTY

HINSDALE COUNTY

COCHRAN COUNTY

ALAMOSA COUNTY

PUEBLO COUNTY

MORTON COUNTY

SAN JUAN COUNTY

STANTON COUNTY

LEA COUNTY

LUBBOCK COUNTY

SWISHER COUNTY

SIERRA COUNTY

HAMILTON COUNTY

SAN JUAN COUNTY

CUSTER COUNTY

LOS ALAMOS 

COUNTY

OURAY 

COUNTY

CUSTER COUNTY

Dumas

Clovis

Canyon

Lubbock

Portales

Hereford

Amarillo

Santa Fe

Levelland

Las Vegas

Rio Rancho

Los Alamos

Albuquerque

South Valley

North Valley

Dumas

Clovis

Canyon

Lubbock

Portales

Hereford

Amarillo

Santa Fe

Levelland

Las Vegas

Rio Rancho

Los Alamos

Albuquerque

South Valley

North Valley

COLORADO

NEW MEXICO

107°30' 107°00' 106°30' 106°00' 105°30' 105°00' 104°30' 104°00' 103°30' 103°00' 102°30' 102°00'

37°30'

37°00'

36°30'

36°00'

35°30'

35°00'

34°30'

34°00'

33°30'

Trigo

Ojo Peak

Big Spring

Unnamed

Saltlakes

Unnamed

Unnamed

Trigo

Ojo Peak

Big Spring

Unnamed

Saltlakes

Unnamed

Unnamed

Sandia Mountains

106°30' 106°15' 106°00'

35°30'

35°15'

35°00'

34°45'

34°30'

34°15'

Albuquerque

El Paso

A

RIZ

O

N

A

N

E

W

M

E

XIC

O

COLORADO

TEXAS

FSim project area

 25

 40

 25

Fires greater than or equal to 250 acres—

Historical Fire Occurence Data,

ignitions from 1990–2011

Fires within the FSim project area

Fires within 60 kilometers of the FSim project area

EXPLANATION

Ignition density grid—Ignitions per 60.6 square 

kilometers per 100 years, calculated using 

Kernal Smoothing from the Historical Fire 

Occurence data 1992−2011

1 to 10

11 to 20

21 to 30

31 to 40

41 to 50

51 to 60

Greater than 1,000 acres (1984–2011) 

Rio Grande Waterfund

Study area 

Large fire simulation system (FSim) project 

area—60-kilometer buffer from the Rio Grande 

Waterfund and study area boundaries

Fire perimeter

0 5 10 20 KILOMETERS

0 5 10 20 MILES

0 15 30 60 KILOMETERS

Base from Landfire digital elevation model data, 2010 0 15 30 60 MILES

Universal Transverse Mercator, Zone 13 North

North American Datum of 1983

Base from Esri, DeLorme, HERE, TomTom, Intermap, increment P Corp., GEBCO, USGS,

FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance Survey, Esri Japan, METI,

Esri China (Hong Kong), swisstopo, and the GIS User Community

Fire perimeter data from Mapping Trends in Burn Severity project

Historical Fire Occurence Data from Fire Program Analysis

Figure 3. Ignition density grid based on 1992–2011 fire occurrence dataset and historic fire occurrence in large fire simulation system modeling extent.