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CA20041017_A ·The 2004 season ·Canada

Waterloo

17 October 2004·Waterloo·maize·213 ft (64.9 m) across

Plate — one of 1 image on this record · 575×415 px every image →

Reported 17 October 2004 in maize at Waterloo. One archive recorded it, so nothing about it can be cross-checked.

The record

date
17 October 2004 day precision
place
Waterloo, Canada no other name or place string on any source record · name from the cropcirclecenter.com name
crop
maize
size
213 ft (64.9 m) acrossas written: 65 m | 213 ft65 m across100 m
recorded by
cc · cropcirclecenter.com
images
1 · 1 diagram
writing
nothing was written about this formation on any source

Where exactly

100 km
coordinate
43.466800, -80.516390
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 cropcirclecenter.com / Bertold Zugelder site default 575×415
36.7 KiB image/jpeg
image b4e76edbcf2a https://www.cropcirclecenter.com/date/2004/200410.html

Date

17 October 2004, to day precision. What a source records is the day a formation was found and reported.

reported by
cc: 17 October 2004
weekday
Sunday, day 291 of the year, ISO week 42, autumn
sun and moon
24.8 days after the September equinox; moon waxing crescent (14% lit), 10.6 days before the full moon (computed at 12:00 UTC; a reported date is a discovery date, not a creation date)

Place

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

coordinate
43.466800, -80.516390 — place, ±2,000 m, by geonames, from the cc record
on a map
OpenStreetMap
siteplacecountycountrygrid refwhat3wordsfix
ccOntarioCanada 43.466800, -80.516390 place / geonames

Crop and size

crop
maize (cc: maize)
diameter
213 ft (64.9 m)
size as written
65 m | 213 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 CA20041017_A
name Waterloo
location
county Ontario
country Canada
date reported 2004-10-17
date precision day
crop maize
size 65 m | 213 ft
diameter (ft) 213
grid reference
what3words
map link
credits cropcirclecenter.com / Bertold Zugelder
source page https://www.cropcirclecenter.com/date/2004/200410.html
link to the entity singleton
decided by none on 2026-09-11
warnings no_formation_page
record cc/16a8bf127a033…
raw record view: /formation/cc/16a8bf127a033822ad94a6858bf2590437281936b01d77174d066a96addef90f 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. 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 b4e76edb ≈ none found 1 1 0.978 0.2768

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 b4e76edb— 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
Borghetto Lodigiano 15 October 2004, Borghetto Lodigiano
next
Carmagnola 1 November 2004, Carmagnola
previous in CA
Moose Jaw 7 October 2004
next in CA
Sandy Bay 3 June 2005
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.

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/CA20041017_A.json · row in index/manifest.jsonl
input digests
entity c82018956a67 · images 0ae0934aa226 · texts 4f53cda18c2b · geo e3507c3d970c