IMRS Gazetteer

Alternate name for IMRS Access Road; see Main Road.

Small hill composed of igneous rock along River Road, west of Flat Top Mountain.

Highest mountain peak east-northeast of Indio Ranch House. Also known as Mount Everest.

Arroyo leaving Bailey Evens Canyon and draining to the Rio Grande.

Canyon and arroyo north of dormitory and bathroom building at IMRS HQ; drains to the Rio Grande near The Box.

Abandoned mine southeast of IMRS HQ developed in the late 1940s with a 30.5 m deep vertical shaft.

Principal land holdings surrounding the southwest, west, and northwest boundaries of IMRS.

Abandoned, partially dismantled windmill on River Road north of South Gate at Eagle Canyon Road junction.

Abandoned mine and former mining headquarters ruins south-southwest of IMRS HQ; yielded copper ore.

Large arroyo system east of River Road with high vertical banks draining into Green River.

Northernmost seasonal impoundment near Double Tank Corral; often holds water early or late in the year.

Cattle tank near the northwest corner of the IMRS boundary.

Cave located in an arroyo crossing the road to Echo Spring north of IMRS HQ.

Collective name referring to Pirtle Tank and Road Tank.

Abandoned cattle corral along Main Road near Pirtle and Road Tanks.

Rugged canyon system east of IMRS draining southward to the Rio Grande; contains Palmas Well and The Narrows.

Bulldozed gravel road running over Eagle Pass through upper Eagle Canyon to River Road; currently impassable.

Pass at the top of Eagle Canyon south-southwest of East Gate.

Primary access gate to IMRS on Main Road east of Double Tank Corral.

Defunct well and metal tank on the east slope of the Indio Mountains.

East-draining arroyo immediately north of East Well that washes out East Well Road.

Primitive road extending south from Main Road past Grassy Tank and Lost Well to East Well.

Southwest-draining canyon along Main Road on east slope of the Indio Mountains below Indio Pass.

West-facing observation point along Main Road just west of Indio Pass summit.

Tank on jeep road to Echo Spring below Echo Canyon Overlook.

Two adjacent seasonally dry impoundments along Main Road northeast of Black Diamond Mine Road junction.

Major arroyo draining southwest to the Rio Grande; contains Echo Spring.

Mountain pass through Echo Ridge west-northwest of Echo Peak.

Highest and isolated peak in the Indio Mountains near the north-central boundary of IMRS.

Ridgeline extending east-southeast and west-northwest from Echo Peak.

Mesa and ridge system north-northeast of Red Tank; highest elevation occurs at the southern end of the mountain.

Alternate name listed on some maps for Green River; Green River is the preferred usage.

Dry impoundment west of the junction of Main Road and Green River Road; East Well Road passes through its bed.

Summit of ridge south-southeast of Indio Pass, south of Double Tank Corral and west of Eagle Pass.

Large normally dry wash forming the eastern boundary of the Indio Mountains. Preferred name over Glenn Creek.

Gravel road forming the main eastern access to IMRS, following the Green River through Wolf Creek Ranch toward The Box.

Tank located on the southwest boundary of IMRS east of The Box along the Rio Grande.

Abbreviation for UTEP’s Indio Mountains Research Station.

Northwest–southeast trending fault dividing the Indio Mountains into higher eastern and lower western blocks.

Southern spur of the Eagle Mountains in Hudspeth County, Texas, bounded by Oxford Canyon, the Rio Grande, Red Light Draw, and Green River.

Mountain pass over the Indio Mountains traversed by Main Road; summit lies just east of Echo Canyon Overlook.

Area north of Double Tank Corral along the road to Echo Spring.

Tank on jeep road east of River Road above Eagle Canyon Arroyo; contains a pit-fall trap array.

Abandoned tank and adobe retaining wall along East Well Road south of its junction with Main Road.

Primary gravel road running from Green River Road through East Gate, Echo Canyon, IMRS HQ, and north toward Oxford Canyon.

Tank near Bailey Evens Arroyo west-southwest of IMRS HQ.

Angular prominence south of Echo Spring and visible from Echo Canyon Overlook.

Gate across Main Road north of Woodpecker Well, separating IMRS from Bramlett Ranch.

Former Lado Ranch holdings along the southeastern and southern boundary of IMRS; access is gated.

First arroyo inside East Gate along Main Road; contains pit-fall trap arrays.

Wash located on Main Road approximately 0.40 km west of Double Tank Corral.

Draw at the north end of the Indio Mountains separating them from the Eagle Mountains.

Permanent spring in Oxford Canyon north of Woodpecker Well, just outside IMRS property.

Eroded ash formation on a north-facing arroyo slope south-southwest of the junction of Green River and Main Roads.

Former solar-powered well and remains of older water infrastructure on the west-facing slope of Eagle Canyon.

Seasonally dry impoundment along River Road southeast of IMRS HQ.

Southeastern seasonal impoundment in the Double Tank Corral area near Main Road.

Complex of prospect digs and partially finished mineshafts southwest of IMRS HQ; contains pit-fall trap arrays.

Large arroyo draining Echo Canyon and Ranch House Draw near the Y on Main Road.

Abandoned mine south of IMRS HQ with a 53.4 m deep vertical shaft dug in the 1950s.

Gravel road extending south-southwest from Main Road to Carpenter and Purple Sage Mines.

Depression running alongside Main Road leading to IMRS HQ from the Y junction with River Road.

Seasonally dry impoundment east-northeast of Red Mountain near River Road.

Isolated ridge and peak south of IMRS HQ and west of Agate Hill.

Large seasonally dry impoundment along River Road west of Eagle Canyon; contains pit-fall trap array.

South-facing ridge at the summit of Flat Top Mountain.

Gravel road running north from the Green River near The Box through South Gate and Campo Bonito to Main Road.

Crossing where Green River Road intersects the Southern Pacific Railroad tracks south-southeast of Van Horn.

Former name for Eagle Canyon.

Gate across River Road separating IMRS from O’Connor Ranch, north of The Box.

Alternate name referring to Campo Bonito.

Tank located east of Horizon Tank near the Rio Grande.

Eastern opening of the Rio Grande canyon near the southern end of IMRS.

Narrow constriction of Eagle Canyon through which River Road passes, east of Red Tank.

Two seasonally dry impoundments north of River Road at the east end of The Narrows.

Alternate name for Rattlesnake Tank.

Group of three hills at the west entrance to Oxford Canyon on Bramlett Ranch.

Collective term referring to Echo Canyon Twin Tanks and The Narrows Twin Tanks.

Natural spring on Wolf Creek Ranch west-northwest of the junction of Green River Road and Main Road.

Dry arroyo north-northwest of Echo Ridge draining into the Green River.

Ranch holdings north and northeast of IMRS providing primary access to IMRS via Green River Road.

Dysfunctional water well on Main Road northwest of IMRS HQ; contains pit-fall trap array.

Alternate name for Echo Canyon Twin Tanks.

Room attached to the original Indio Ranch House, expanded and screened in 2003; named after Wynn Anderson.

Ridge running northwest to southeast between Oxford Canyon and Echo Creek Canyon, south of Echo Ridge.