Commencing at a point of beginning, to wit:
I have run boundary and construction surveys in Gallatin County for 16 years, closing an average of 85 parcels a year. My retracement work holds a mathematical closure better than 1:15,000 on every filed plat, and I have had 2 surveys challenged and 0 overturned. Thence N45°E 120 ft to the corner where I also teach the county recorder's staff to read the old chain-and-compass deeds, which is roughly half archaeology.
| Station | Designation | Elev. (ft) | Description |
|---|---|---|---|
| BM-01 | Closure standard | 1:15,000 | Minimum mathematical closure on all filed plats, exceeds MT admin rule minimum |
| BM-02 | Plats of record | 640+ | Filed with Gallatin County, 2017 to present |
| BM-03 | Court record | 2 / 0 | Surveys challenged / surveys overturned |
| BM-04 | GNSS network | ±0.03 | Typical horizontal precision (ft) on static control sessions |
| BM-05 | Instruction | 120 hrs | Deed-reading workshops taught for county recorder staff since 2019 |