Mohawk Nation of Grand River Secretariat
Certificate of the record
The six miles on each side of the Grand River
MAP001-261021-000001 · version 1 · Certified for use
What it is
The Nation’s line of the six miles granted by the Proclamation of 25 October 1784, on each side of the Grand River from Lake Erie to its head, graded by how surely each part is known.
| Its date | 2026-10-20 |
| Made by | Benjamin DOOLITTLE, Registrar General, reviewed by the Attorney General |
| Their qualifications | Prepared under the Secretariat’s certificate of determination . |
| Their duty | Acknowledged on 2026-10-21: a duty to give evidence that is fair, objective and non-partisan, within their own field. |
| Its standing as a survey | This is the Nation’s determination, made from the sources named; it is not a survey under the Surveyors Act, and was not prepared by a licensed surveyor. |
| Datum and projection | NAD83 / UTM zone 17N (EPSG:26917); shown in Web Mercator over the street map |
How it was made
The water: the GRCA Waterbody river polygons touching the main channel, joined; where the river is under 30 m wide and so mapped only as a line, the GRCA Watercourse main channel (primary flow) at its recorded half-width (BUFFER_WIDTH), which is its edge of water; through Belwood Lake and other reservoirs, the river’s own flow line (Virtual Flow). Six statute miles (9,656.064 m) on the ground from that water, drawn in NAD83 / UTM 17N (EPSG:26917) at 9652.818 m on the grid (the projection’s mean scale 0.999664), its curves drawn with 96 points to each quarter circle and a point at least every 60 m.
How surely
At 4000 points round the line, measured on the ground (geodesic, GRS80): 9654.58–9657.19 m from the water, median 9656.05 m — -1.48 to +1.12 m of six miles
Grade C: through reservoirs, measured from the river’s own flow line. Grade D: the rounded end at Lake Erie, and beyond the head of the river — interpreted. Survey lines are used here as evidence of where the Crown’s surveyors placed the six miles on the ground; relying on them does not accept the instruments behind them.
Its sources
- GRCA Surface Hydrology — Watercourse — Grand River Conservation Authority, 2026-09-28; GRCA Open Data Licence v2
dc71349c74a97a1be0b80d8ec99aae3cf456d5a6dad708528899d39cf4e16b9f - GRCA Waterbody — river polygons — Grand River Conservation Authority; GRCA Open Data Licence v2
5678611fd6686bea06d12adafe98d114ed464ebd8df6635503ea087d5700fd5b
What it carries
✓ A title · ✓ Its maker · ✓ Its date · ✓ A scale bar · ✓ A scale ratio (1 : n) · ✓ North · ✓ A legend · ✓ Its datum and projection · ✓ Its sources, with their dates · ✓ A statement of its accuracy · ✓ A locator (where it is in the wider world) · ✓ Its credits and licences
Its files, and their fingerprints (SHA-256)
| The picture | six-miles-graded-.png 203,794 bytes | a33c91815016231ae4efb8b4d90a6ff6d9a7e93bcabbb828f4a62cebfcabb90e |
| The data | six-miles-graded-.geojson 685,179 bytes | 7b572f7097012b7d59afdfd1e543034e61aa3088c00a3126ea85e99295d63a6b |
Its entries in the integrity log
| 1 | 2026-10-21 02:39:18 UTC | Brought in from the certificate of determination (version 1) — admin Not yet timestamped. | b7c48308e0ea0a2e9e72906f0281c60242e7eff44c14bdeef6b150c531c47c71 |
| 2 | 2026-10-21 02:42:44 UTC | Its record written (version 1) — admin Not yet timestamped. | 8b7e49142bcefbcf822c01cfcec7ad49cca5a90086dd583cc681f4348a6b9f5f |
| 3 | 2026-10-21 20:25:27 UTC | Its record written (version 1) — admin Timestamped by timestamp.digicert.com at 2026-10-21 20:26:17 UTC · its token (.tsr) | 63a3340d01865c96252a5efb6f04941d0c465a81fb0076286e91cb8d62900f97 |
| 4 | 2026-10-23 17:59:30 UTC | Version 1 certified for use — admin Timestamped by timestamp.digicert.com at 2026-10-23 17:59:31 UTC · its token (.tsr) | f371dc3f8629ac9712d041288b1b07d14f139ddc20527c2cf2870f16e6d55e49 |
| 5 | 2026-10-23 18:02:11 UTC | Its record read; nothing changed (certified) — admin Timestamped by timestamp.digicert.com at 2026-10-23 18:02:12 UTC · its token (.tsr) | 817860c3aae851cb934b974023b94d647038630d67390c401dfe33b7ec312d23 |
| 6 | 2026-10-23 18:07:12 UTC | Its record read; nothing changed (certified) — admin Timestamped by timestamp.digicert.com at 2026-10-23 18:07:27 UTC · its token (.tsr) | 52830e64f6afe9ab0732906a363b456f92b94a0c0563687c23739c5e046857f1 |
How the records are kept
The records of the Mohawk Nation of Grand River Secretariat are kept in the Nation’s Register, an electronic records system kept in the usual and ordinary course of the Secretariat’s work. When a file is taken into the Map Room its SHA-256 fingerprint is taken at once and entered in the Register’s integrity log, in which every entry is sealed with the fingerprint of the entry before it; a certified version’s files cannot be changed, and a change makes a new version, the old being kept. At the date of this certificate the log holds 36 entries and, read through, every entry seals the one before it.
To cite it
Mohawk Nation of Grand River Secretariat, The six miles on each side of the Grand River (map), MAP001-261021-000001, version 1, 20 October 2026. https://mohawkuniversity.org/Register/verify/MAP001-261021-000001
A draft affidavit of the custodian of the records
To be read with counsel before it is used; to be sworn or affirmed before a commissioner.
I, ______________________, of ______________________, MAKE OATH (or AFFIRM) AND SAY:
1. I am the ______________________ of the Mohawk Nation of Grand River Secretariat, and have the keeping of its records, and so have knowledge of the matters below.
2. Attached as Exhibit “___” is a true copy of the record MAP001-261021-000001, version 1, “The six miles on each side of the Grand River”, as it is kept in the Secretariat’s records.
3. The records of the Mohawk Nation of Grand River Secretariat are kept in the Nation’s Register, an electronic records system kept in the usual and ordinary course of the Secretariat’s work. When a file is taken into the Map Room its SHA-256 fingerprint is taken at once and entered in the Register’s integrity log, in which every entry is sealed with the fingerprint of the entry before it; a certified version’s files cannot be changed, and a change makes a new version, the old being kept. At the date of this certificate the log holds 36 entries and, read through, every entry seals the one before it.
4. The SHA-256 fingerprint of each file of the record, as it was taken into the records, is set out in the certificate of the record attached; the fingerprint of the copy attached is the same.
5. To my knowledge the system was at all material times operating properly, and nothing in it has been altered except as recorded in its integrity log.
SWORN (or AFFIRMED) before me at ______________________, on ______________________.
Electronic documents are received as evidence on proof that they are what they purport to be, and of the integrity of the system that kept them (Canada Evidence Act, ss. 31.1–31.3; Evidence Act (Ontario), s. 34.1). This certificate sets out that record; whether a record is admitted, and its weight, are for the court.
Scan the railing with the Register’s scanner, mohawkuniversity.org/Register/edge-scan/, or type the address beneath it.