cropcircles.photos

Okotoks

CA19910833_A

August 1991·Okotoks

100 km
Where it was reported. With no photograph to show, the plate is the place: Okotoks, and every formation the archive holds around it. 1 other formations sit on this exact point, because their sources named the same place and gave no finer position. The dashed ring is how precise the fix is (±2,000 m at place confidence), drawn at its true size.

Reported August 1991 at Okotoks. One archive recorded it, so nothing about it can be cross-checked.

The record

date
August 1991 (month precision)
place
Okotoks
Canada
crop
not recorded by any source
size
not recorded
recorded by
cc
images
1 · 1 diagram
writing
nothing was written about this formation on any source

Also called

Nothing else. No other name or place string appears on any source record for this formation.

Where exactly

coordinate
50.728850, -113.982810
how it was got
geonames
place, to within 2,000 m, from the cc record
on a map
OpenStreetMap

No source publishes a coordinate for any formation in this archive. Every coordinate here is derived from the place name a source printed, and this page says how precise that makes it rather than rounding it away.

Images

1 image(s) on this formation's own source records. Click a tile for the full image; the bytes are fetched when you ask for them and are not stored in this page.

Diagrams (1)

sitekindcreditbasiscaptionsizefilesource page
cc diagram
no diagram published by cropcirclecenter (plain circle placeholder)
cropcirclecenter.com / Bertold Zugelder site default 575×415
32.4 KiB image/jpeg
image c782665e5c68 https://www.cropcirclecenter.com/date/1991/199108.html

Date

August 1991, to month precision. What a source records is the day a formation was found and reported.

reported by
cc: August 1991

Place

What each source printed, and the coordinate derived from it. No source in this archive publishes a coordinate of its own.

coordinate
50.728850, -113.982810 — place, ±2,000 m, by geonames, from the cc record
on a map
OpenStreetMap
siteplacecountycountrygrid refwhat3wordsfix
ccAlbertaCanada 50.728850, -113.982810 place / geonames

Crop and size

crop and size not recorded by any source

Source records

What each source published, side by side. A row whose values differ across the sources is marked: the archive prints the disagreement rather than choosing a winner.

field cc cropcirclecenter.com
id / slug CA19910833_A
name Okotoks
location
county Alberta
country Canada
date reported 1991-08
date precision month
crop
size
diameter (ft)
grid reference
what3words
map link
credits cropcirclecenter.com / Bertold Zugelder
source page https://www.cropcirclecenter.com/date/1991/199108.html
link to the entity singleton
decided by none on 2026-09-11
warnings unknown_day; no_formation_page
record cc/3c0258f31b124…
raw record view: /formation/cc/3c0258f31b1248a7e7ae8e1c5d874d5ebe03adbfdcc2c0e06fec0c934362486e in the preview app

Texts

no text documents in the archive for this formation

Claims about this formation

no claim was extracted from a text about this formation

Geometry

1 diagram file(s) on this page, of which 1 is a shared cropcirclecenter placeholder rather than a drawing of this formation. measured from the diagram itself, and experimental: the extractor's rotational order is right on 88.8 % of a 200-diagram hand-labelled set against a gate of 90 %, so read a number here beside the picture rather than instead of it.

diagramrotational symmetryelementsringsmirrorfill
cc c782665e (placeholder: digest) ≈ continuous (concentric circles) 1 1 0.996 1.0049

Experimental, and marked ≈ wherever it appears. These numbers are read off a drawing, not off the field: the extractor's rotational order agrees with a hand-labelled set on 88.8 per cent of 200 diagrams against a gate of 90 per cent, its element count is within one on 97.5 per cent, and its ring count is not calibrated at all. Nothing in the analysis tree is derived from the rotational order while that gate is unmet.

Diagrams that look like these: cc c782665e— the nearest by perceptual hash. The whole archive is browsable by shape in the shape section, and this formation's own diagrams go straight into that grid: show them in the grid.

Neighbours

In time

previous
Glees 31 July 1991, Glees
next
Avebury 2 August 1991, Avebury
previous in CA
Sidney 23 July 1991
next in CA
Lethbridge 21 August 1991
same day
Callington (Callington) · Callington (Callington) · Cheesefoot Head (Cheesefoot Head) · Keystone (Keystone) · Wilton (Wilton) · Avebury (Avebury) · Beckhampton (Beckhampton) · Guyhirn (Guyhirn) · Beckhampton (Beckhampton) · Avebury Trusloe (Avebury Trusloe) · Chequers (Chequers) · Guyhirn (Guyhirn) · Langton Herring (Langton Herring) · Marlborough (Marlborough) · Marlborough (Marlborough) · West Wickham (West Wickham) · Weymouth (Weymouth)
within 7 days and 25 km
none, or this formation has no coordinate at place confidence or better

In place

The nearest formations the archive can place.

same county and year
none

Provenance

entity built at
2026-09-11T19:20:39Z (derived from the link decisions, not from this build)
index run ids
none
reviews applied
none
open queue pairs
none
entity record
index/formations/CA19910833_A.json · row in index/manifest.jsonl
input digests
entity 2ae851cb7731 · images afe2570b1c43 · texts 4f53cda18c2b · geo 8a76795fa460