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CA19931233_A ·The 1993 season ·Canada

Whiterock

December 1993·Whiterock·grass·18 ft (5.5 m) across

200 km
Plate — where it was reported, drawn from the archive's own coordinate every image →

Reported December 1993 in grass at Whiterock. One archive recorded it, so nothing about it can be cross-checked.

The record

date
December 1993 month precision
place
Whiterock, Canada no other name or place string on any source record · name from the cropcirclecenter.com name
crop
grass
size
18 ft (5.5 m) acrossas written: 6 m | 18 ft5 m across100 m
recorded by
cc · cropcirclecenter.com
images
1 · 1 diagram
writing
nothing was written about this formation on any source

Where exactly

coordinate
51.060539, -122.643492
how it was got
county centroid — county, to within 120,000 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/1993/199312.html

Date

December 1993, to month precision. What a source records is the day a formation was found and reported.

reported by
cc: December 1993

Place

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

coordinate
51.060539, -122.643492 — county, ±120,000 m, by county_centroid, from the cc record
on a map
OpenStreetMap
siteplacecountycountrygrid refwhat3wordsfix
ccBritish ColumbiaCanada 51.060539, -122.643492 county / county_centroid

Crop and size

crop
grass (cc: reed grass)
diameter
18 ft (5.5 m)
size as written
6 m | 18 ft

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 CA19931233_A
name Whiterock
location
county British Columbia
country Canada
date reported 1993-12
date precision month
crop reed grass
size 6 m | 18 ft
diameter (ft) 18
grid reference
what3words
map link
credits cropcirclecenter.com / Bertold Zugelder
source page https://www.cropcirclecenter.com/date/1993/199312.html
link to the entity singleton
decided by none on 2026-09-11
warnings unknown_day; no_formation_page
record cc/72367ed5765fa…
raw record view: /formation/cc/72367ed5765fae88dcf5acc825e6ef9557daf4b88b7441514c43633527942361 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
US19931133_A November 1993
next
Owen Sound 18 December 1993, Owen Sound
previous in CA
CA19931033_A October 1993
next in CA
Owen Sound 18 December 1993
same day
no other formation is dated this day
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.

this formation has no coordinate at place confidence or better, so nothing can be called near it

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/CA19931233_A.json · row in index/manifest.jsonl
input digests
entity 7f02f50f4edd · images afe2570b1c43 · texts 4f53cda18c2b · geo ec9f7bcc1c6f