Investigation Report

Location: Marfa Lights, Marfa Texas
Date: 18 May 1991
Personnel Participating: Cody Polston, Carlton Spencer
Weather Conditions: Clear
Humidity: 15%
Geomagnetic Storm Activity: Inactive
Temperature: 82
Number of Photos taken: 627
Number with possible targets: 0
Average EM Readings: N/A
Average M fields Readings: N/A
Average E Field Readings: N/A
Cold Spots detected: N/A
Hot Spots Detected: N/A
Olfactory Phenomena: N/A
Visual Phenomena: N/A
Type of Investigation: Ghost Hunt

All information and photos Copyright 1991 to 2005 by Cody Polston, Bob Carter and SGHA. All Rights Reserved.

Location Description and History

Marfa, Texas was established in 1881. It is located in Presidio County, about 26 miles west of Alpine, Texas on U.S. Highway 67/90. The lights appear in an area SW of Chinati Mountain, on Mitchell Flat, near Twin Peaks, and over the flat prairie north of Cuesto Del Burro Mountains. A roadside plaque on US 90, 8 miles E of Marfa commemorates the lights. An abandoned USAF base is nearby.


Marfa, Texas is a small west Texas ranching community of about 2,000 folks, located near Big Bend National Park. Marfa is known primarily for two reasons. The classic movie "Giant", with Rock Hudson, Elizabeth Taylor, an incredibly clean-cut Dennis Hopper and James Dean, was filmed in Marfa. Marfa is also home of the semi-famous Marfa Mystery Lights.

Reported Phenomena

The Marfa lights are visible every clear night between Marfa and Paisano Pass in northeastern Presidio County as one faces the Chinati Mountains. At times they appear colored as they twinkle in the distance. They move about, split apart, melt together, disappear, and reappear. Presidio County residents have watched the lights for over a hundred years.

The first historical record of them recalls that in 1883 a young cowhand, Robert Reed Ellison, saw a flickering light while he was driving cattle through Paisano Pass and wondered if it was the campfire of Apache Indians. He was told by other settlers that they often saw the lights, but when they investigated they found no ashes or other evidence of a campsite. Joe and Sally Humphreys, also early settlers, reported their first sighting of the lights in 1885. Cowboys herding cattle on the prairies noticed the lights and in the summer of 1919 rode over the mountains looking for the source, but found nothing. World War I observers feared that the lights were intended to guide

an invasion. During World War II pilots training at the nearby Midland Army Air Field outside Marfa looked for the source of the elusive lights from the air, again with no success.

The Lights, which most people describe as spherical, appear south of Marfa each evening. They appear to bounce around, vanish, then re-appear elsewhere. According to the legend, these lights have been observed since the 1800s. The Lights have become an important tourist attraction in Marfa, a town that has seen much better days. On a nice evening, dozens of people will stop and view the Lights at the "official" viewing area, about 10 miles east of town on Highway 90.


Apache legends say the lights are the spirit of Chief Alsate - condemned to wander the area after he offended a tribal God. Early settlers thought they were the lanterns of a family that got lost in the 1850's.

The first recorded sighting of the lights was by rancher Robert Ellison in 1883. Variously described as campfires, phosphorescent minerals, swamp gas, static electricity, St. Elmo's Fire, and "ghost lights," the lights reportedly change colors, move around, and change in intensity. Scholars have reported over seventy-five local folk tales dealing with the unknown phenomenon.

The Investigation

We went out on three separate occasions and viewed the lights. We also had spectral data on different kinds of lights such as headlights, taillights, street lights, and fog lights. We will also obtained spectral data on hydrogen, nitrogen, and helium lights. We will record our results by taking pictures and using a spectroscope.The results will be compared with the data we previously acquired on natural and man made light sources.

The absence of thermal anomalies indicates that there was nothing on the ground, such as a sphere of ball lightening or a cloud of burning gas, to generate such a signal. We can therefore eliminate any discrete source of light and/or heat.

Initial Conclusions

We scientifically proved with a number of experiments that the Marfa Lights we saw were indeed only headlights coming from a distant road in the mountains on U.S. highway 67. We were told, however, that the "Marfa Lights" we saw were not the only recorded type of them seen. It is said that there have been mysterious lights seen in the horizon to the left of the "headlights" that are unexplainable. We, unfortunately were not lucky enough to witness these. Perhaps we will go out again repeat the expeiment over to see if we get the same results.

From our analysis, we believe that car headlights shining in the direction of the Observation Site, reflected along the concave surface of soil alongside of Highway 67 are the source of the Lights. The highly reflective soil acts as a mirrored surface that creates the observed phenomena.

A car descending from the Chinati Mountains would begin shining its headlights in the direction of the observer several miles to the southwest before it turns northward towards Marfa. When the headlights are facing the observer in this fashion, they are aligned with the highly reflective soil that flanks the road. There are several locations where a car changes angle and the area of reflective soil is sufficiently wide to be seen by the observer. There are several small hills to the east of the Rancheria Hills that will interfere with reflected light. The Rancheria Hills themselves will stop much of the reflection to someone looking in that direction from Marfa. The soil creates a reflected beam that appears magnified and can appear to split and merge to an observer at the Marfa Lights Observation Site. This duplication, splitting and merging is likely the result of the cars' movements along the highway. Once the car descends down the mountain and onto the plain,it no longer reflects its lights in the direction of the observer and the Rancheria Hills and other topographic features block the transmission of the car's lights at that point.

Historical Research

The story of the Marfa Lights often makes the point that they were seen by early settlers in the 1880's. A particular person, Robert Ellison, is frequently cited. Here is the history of Marfa based on reputable sources. Robert Ellison is quoted in Cecilia Thompson's "History of Marfa and Presidio County" (F 392.P7 T52 1985. Volume 1, 1533-1900. Volume 2 is from 1901 - 1946). However, he was about 70 years old in 1937 when "someone" asked him about the lights he saw in 1883. The person that asked him couldn't have been Thompson who published the book in 1985 unless she had heard it from him as a child. This means the sighting info is second-hand to Thompson and she got it from another source who actually asked Ellison about it. Moreover, Thompson says that Ellison wrote his memoirs in 1937 at the age of 70, but that he did not include his sighting of the Marfa Lights in 1883. Apparently had told his family this information, and related this to some interviewer, who again was not Thompson.

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