A Brevegraph: The Silent Descent: A Forensic Examination of CASE: CROP-41690
(All names and dates mentioned in this Brevegraph have been changed for privacy stipulations and protocol.) (All contacting data referencing notifications of the event after it occurred has been redacted.)
Section 1: Core Event Data & Chronology
The event at the heart of CASE: CROP-41690 occurred on April 16, 1990, within a strictly verified window between 3:33 PM and 4:20 PM. This 47-minute interval is critical—it is bookended by the firsthand observations of two horseback witnesses who passed by the precise site of the future crop formation during their outbound and return rides. At 3:33 PM, the field was undisturbed. At 4:20 PM, a clearly defined and geometrically consistent crop circle formation had appeared. The formation was easily visible from horseback and from the ground-level perimeter of the ranch, with no terrain features that could have obstructed the view or hidden its presence.
Both witnesses testified independently and without contradiction, confirming the formation’s complete absence earlier and its unmistakable presence later. The veracity of their statements was reinforced by two additional individuals who remained at the barn complex during the entire timeframe. These non-witnesses confirmed the exact departure and return times of the horseback riders, anchoring the event within a tight, incontrovertible temporal bracket.
No one had been on the site for at least two days prior, which was confirmed by all residents and later corroborated through the investigation. The investigation team arrived on site 1 day after the event occurred. No machinery had entered the area, and no other individuals had access during the period in question. The environment was calm, weather conditions stable, and visibility unobstructed. No sounds of aircraft, engines, or machinery were heard. No smell of fuel, ozone, or combustion was detected by any person in or near the area.
The precision of this timeline—backed by consistent eyewitness accounts and a complete lack of natural or human interference—forms the backbone of the case. It establishes that the event occurred silently, without witness, and with no conventional explanation.
Section 2: Physical and Chemical Evidence
The investigation into CASE: CROP-41690 involved thorough collections of physical trace evidence. A total of forty-five samples—fifteen each of soil, grass and root systems, and surface pebbles—were collected following strict federal sampling protocols. These were taken from strategic positions inside and outside the crop circle formation. Each sample was spaced to avoid cross-contamination, with clear separation between rings, center point, and unaffected outer zones. All material handling was conducted by a licensed evidence technician to ensure uncontested chain of custody.
Laboratory analysis revealed an unmistakable pattern of environmental disturbance. The most striking anomaly appeared in the soil samples. Inside the crop circle rings, the organic matter content dropped to zero—an abnormal and unnatural condition indicating sterilization or complete organic degradation. In sharp contrast, the exact center of the formation showed a spike in organic matter reaching 27%, a concentration inconsistent with natural soil migration or decay. The outer control samples, taken at distances of three, six, and twelve feet from the formation, reflected normal levels of 6%, reinforcing the conclusion that the event had a sharply defined physical boundary.
The radiation analysis further deepened the anomaly. Soil and rock samples from within the rings showed elevated concentrations of radium-226 and thorium-232—levels not typical for the region. Outside the formation, these same isotopes returned to expected background readings. The grass and root samples across all zones returned chemically stable results, indicating that although radiation was present, it had not yet caused observable cellular degradation in the plant tissue.
There was no evidence of heat scorching, fuel residue, chemical burns, or mechanical flattening. This rules out conventional propulsion, combustion engines, or tools. Instead, the data indicates a directed, non-contact energy interaction consistent with exposure to a hovering source.
Section 3: Witness Testimony and Behavioral Anomalies
The credibility of CASE: CROP-41690 rests in part on the clear, consistent, and professionally vetted testimony of four key individuals—two direct eyewitnesses and two non-witnesses who corroborated the timeline. The primary witnesses were ranch workers on horseback, who rode past the eventual formation site twice: once at 3:33 PM, when the field was empty, and again at 4:20 PM, when the formation was fully visible. Their statements were taken separately by licensed private investigator Sarah Quinlan, who followed Department of Justice interview protocols to rule out suggestibility, deception, or external influence.
Both witnesses independently reported no sound, smell, vibration, or visible activity during the period of their ride. The appearance of the crop formation was not subtle—it was broad, symmetrical, and plainly visible from both horseback and the ranch’s perimeter. Neither individual had any prior connection to crop circle phenomena and both showed genuine surprise and concern upon discovering the formation. The reliability of their account is reinforced by the testimonies of two non-witnesses who remained at the barn complex during the entire interval. These individuals confirmed the departure and return times of the riders to within five-minute precision, providing independent temporal anchors for the event window.
A secondary anomaly emerged during the interviews: the sudden disappearance of the ranch’s dog. Last seen between 1:20 PM and 2:00 PM on the day of the event, the animal vanished without a trace. Despite extensive searches by ranch residents and investigators, no tracks, remains, or signs of distress were found. The dog had not been seen again by the conclusion of the two-day on-site investigation. While circumstantial, this unexplained absence adds a behavioral and biological layer to the otherwise clinical data, suggesting a possible environmental or electromagnetic trigger tied to the event.
Section 4: Photographic Evidence and Site Mapping
The visual documentation of CASE: CROP-41690 was carried out under strict forensic standards by a licensed crime scene photographer. The objective was to capture the event site from every meaningful perspective—macro, micro, and environmental—using analog photographic equipment suited for high-detail forensic analysis. A total of forty photographs were taken and organized according to quadrant logic and spatial relevance. This included twelve photographs from inside the formation looking outward at equal compass intervals, and twelve more from the outer boundary looking inward, establishing full field-of-view coverage of the crop circle.
Additionally, twelve close-up photographs were taken at ground level in evenly distributed quadrants both inside and outside the formation, focusing on soil displacement, plant condition, and surface irregularities. These images confirmed the absence of mechanical damage to vegetation. Instead, they depicted plant matter that had been bent, not crushed, and pressed down with a consistency impossible to achieve with tools, boards, or rudimentary hoaxing methods. No scuff marks, footprints, drag lines, or signs of manipulation were visible.
Eight wide-angle landscape photographs were taken from polar and intercardinal points outside the outer ring, facing away from the formation to establish the spatial isolation of the site. These showed uninterrupted terrain and confirmed there were no entry points, tracks, or vehicle trails leading to or from the area. Finally, eight additional photographs focused on horse tracks between the barn and the field, confirming that the only physical disturbances in the field were attributable to the two witnesses.
A whiteboard and cork board system was used to manually map the location, with each photo pinned in relation to measured distances and compass direction. Though rudimentary by modern standards, this analog system allowed investigators to reconstruct the formation’s geometry with precision, reinforcing its unnatural symmetry and confirming the absence of external interference.
Section 5: Craft Dimensions and Hovering Characteristics
The central premise of CASE: CROP-41690, as supported by physical and radiological evidence, is that a craft of unknown origin hovered—not landed—above the event site and initiated an energy-based interaction with the terrain below. This conclusion was reached through process of elimination, technical extrapolation, and comparative measurement using physical trace data, radiation gradients, and the complete absence of any mechanical or terrestrial contact.
The geometric structure of the formation served as a blueprint for extrapolation. The inner ring measured approximately twenty-four feet in diameter, while the outer ring extended to forty-eight feet. The central zone, which displayed absolute bacterial sterilization and abnormal organic enrichment, had a radius of roughly three feet. Given the containment of radiation within the boundaries of the circle—and the uniformity of the effect—a dispersal margin of ten to fifteen percent was applied beyond the outer ring to estimate the probable span of the airborne emitter. Using this model, the diameter of the hovering craft was projected between fifty-two and fifty-five feet.
Crucially, there were no landing marks, gear depressions, heat scorches, or magnetic disturbances in the soil, ruling out physical contact. Radiation levels, however, were significantly higher inside the formation compared to outer control zones. These readings support the idea that the craft remained suspended above the ground and projected a focused, downward energy field. Based on the absence of heat or acoustic residue, it was further determined that the craft likely hovered at a height of six to ten feet above ground level—close enough to interact, but high enough to avoid displacement or disturbance of the soil.
The lack of noise, fuel smell, or visible exhaust indicates the propulsion system was non-combustive. No known aircraft in 1990—military or civilian—had this capability. The conclusion is both conservative and profound: an aerial vehicle with advanced propulsion hovered silently over the field and altered the environment with precise, non-contact energy delivery.
Section 6: Elimination of Hoax Hypothesis
From the outset, the investigative team treated human fabrication as the default explanation. Law enforcement procedure requires that all extraordinary claims be scrutinized under ordinary possibilities first. However, in the case of CROP-41690, every conventional explanation was methodically tested and ruled out through direct evidence, negative trace analysis, and investigative logic. What remained was not a lack of explanation, but the absence of any evidence supporting the idea of a hoax.
No footprints, tool marks, or wheel tracks were found anywhere within or around the formation. The only ground disturbances were confirmed to be horse tracks created by the two witnesses, whose passage through the field was well documented and photographically recorded. The soil itself showed no signs of mechanical compression. Grass blades were not broken or crushed but bent in a manner consistent with a non-contact force. Flattening was uniform, clean, and extended in sweeping arcs far beyond what could reasonably be achieved with boards, rollers, or line guides.
Timing was another critical factor. The formation appeared in a window of just forty-seven minutes, during which two mounted observers passed the area twice. The site was visible from both their route and the ranch perimeter. No sound, movement, or suspicious activity was detected. For a team of hoaxers to have created such a structure—unobserved, silently, and without error—would have required technology, coordination, and precision well beyond any prank or amateur effort. Furthermore, the elevated radiation signatures present within the formation cannot be explained by any known hoaxing method without illegal or industrial-grade radiological materials.
Every standard possibility was explored and disqualified. There were no errors, sloppiness, or overlooked traces—the typical fingerprints of human mischief. What the investigators were left with was not the absence of evidence, but the clear and unambiguous absence of human involvement.
Section 7: Final Assessment and Case Transfer
The conclusion of CASE: CROP-41690 was reached not through speculation, but through methodical, professional inquiry aligned with federal investigative protocols. The team, led by retired astrophysicist Dr. Warren K. Hale and coordinated by licensed private investigator Sarah Quinlan, followed every procedural and evidentiary step with precision. Each piece of physical, photographic, testimonial, and radiological evidence pointed to the same conclusion: a technologically advanced aerial craft of unknown origin hovered above the site and interacted with the environment in a deliberate, traceable, and silent manner. It left no physical contact evidence, no visible entry or exit path, and no known propulsion signature.
This was not a weather anomaly, a hoax, or a mechanical accident. It was a controlled environmental disruption consistent with energy emission and radiation dispersal from an airborne source that neither touched the ground nor announced its presence. The soil’s sterilization at the center, radiation patterning within the rings, and complete lack of mechanical or human interference support an outcome that is scientifically unorthodox but forensically sound.
Dr. Hale, known for his cautious, data-first approach, completed his final review of the assembled case materials on April 30, 1990. The evidence binders, photographic arrays, mapped field diagrams, and full witness testimonies were compiled and sealed into an official case file. The final recorded action of the investigative unit was the formal transfer of this file by Dr. Hale to a long-standing colleague affiliated with an undisclosed government agency. The handoff took place off-record, with no further documentation entered into public or civilian records.
Dr. Hale’s final remark, as noted by Quinlan, was simple and deliberate: “We’ve done our job. Now they can do theirs.” With that, CASE: CROP-41690 passed from scientific scrutiny into classified custodianship.
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Technical Sample Data Report – CASE: CROP-41690
(Prepared in accordance with federal evidentiary reporting protocol)
I. Introduction to Sample Protocol
Physical evidence collection at the event site followed USDA NRCS soil handling guidelines and forensic trace integrity standards. Samples were gathered by a licensed evidence technician using pre-sterilized containers and nitrile barrier methods. All specimens were spatially isolated according to a radial quadrant pattern, originating from the geometric center of the crop formation and extending to control zones at 3, 6, and 12 feet outside the outer ring.
A total of 45 physical samples were cataloged:
15 soil samples
15 grass and root matrix samples
15 pebble and sediment samples
All specimens were submitted to an independent laboratory certified under ISO/IEC 17025:1988 for chemical, biological, and radiological analysis.
II. Soil Composition and Organic Profile
Control (≥6 ft outside formation):
pH: 6.3 (neutral)
Phosphorus: 172 ppm
Potassium: 130 ppm
Cation Exchange Capacity (CEC): 24 meq/100g
Organic Matter: 6% (optimal for pastureland)
Inner/Outer Ring (non-central):
pH: 6.3 (unaltered)
Phosphorus: 172 ppm
Potassium: 130 ppm
CEC: 24 meq/100g
Organic Matter: 0% – indicates extreme degradation or artificial sterilization
Center Point:
pH: 7.2 (mildly alkaline shift)
Phosphorus: 172 ppm
Potassium: 130 ppm
CEC: 24 meq/100g
Organic Matter: 27% – anomalously enriched, not explainable by natural soil migration
Biological Findings:
Bacterial activity at center: undetectable
Rings showed suppressed microbial presence
Control samples displayed healthy soil respiration and nitrification
III. Grass and Root Chemistry
No chlorotic or necrotic tissue was observed. Elemental analysis showed uniformity across all zones:
Nitrogen: 4.1%
Phosphorus: 26 ppm
Potassium: 167 ppm
Calcium: 6.3%
Magnesium: 0.38%
Sulfur: 0.39%
Iron: 160 ppm
Manganese: 142 ppm
Zinc: 40 ppm
Copper: 6 ppm
Despite radiation anomalies in the soil, plant tissue remained chemically stable.
IV. Pebble and Sediment Analysis
No geochemical or structural deviations detected
Mineral composition aligned with known subsoil of region
Radiation profile elevated inside formation
Radionuclide Concentration:
Inside formation:
Radium-226: elevated
Thorium-232: elevated
Outside formation (control):
Radium-226: 104 units
Thorium-232: 116 units
Readings inside formation exceeded control by ≥2x baseline, evenly distributed across the pattern
Conclusion
The collected data indicate a sharply localized environmental effect of unknown origin. Soil sterilization, elevated radiological presence, and precise organic suppression correspond with a directed, non-contact energy event. No naturally occurring or terrestrial mechanical process accounts for the chemical profile or pattern fidelity. Biological response patterns suggest short-duration exposure to high-energy fields without thermal or chemical byproducts.
Report filed by:
Dr. Eliza Morrow, Soil and Environmental Systems
Peter Gallows, Scene Surveyor
Sarah Quinlan, Evidence Chain Custodian
Dr. Remy Costas, Radiological Specialist
Filed under classification: Tier II UAP – Physical Ground Interaction Event
Date of submission: April 28, 1990
