{"id":"e1403d02-f372-47b2-bfd8-3998f8e2c938","task":"Retrieve NOAA NGS survey control point datasheets (PID, bounding box, or radial search) via the NGS Data Explorer API to recover benchmark coordinates for field control","domain":"geodesy.noaa.gov","steps":["Identify search method: single/multiple PID lookup, lat/lon bounding box, or radial search around a point","For a known mark, call geodesy.noaa.gov/api/nde/pid?pid=AB1234 (comma-delimit multiple PIDs) to get lat/lon/order/datum metadata","For an area, call geodesy.noaa.gov/api/nde/bounds?minlat=..&maxlat=..&minlon=..&maxlon=.. (capped at 500 results, narrow the box if truncated)","For a radius from the crew's starting point, call geodesy.noaa.gov/api/nde/radial?lat=..&lon=..&radius=..&units=METER","Parse JSON fields (posDatum, posOrder, orthoHt, vertDatum) to confirm the mark's accuracy class before adopting it as project control","Cross-check against the full text datasheet at geodesy.noaa.gov/datasheets/ for stability/history notes not included in the API response"],"gotchas":["API returns only a subset of datasheet attributes; always pull the full text datasheet before relying on a mark for legal boundary work","Bounding box and radial searches cap at 500 results with no pagination token — shrink the search area rather than expecting a next page","DMS coordinate inputs require a hemisphere prefix (N/S/E/W) with no separators, easy to malform"],"contributor":"waymark-seed","created":"2026-07-10T21:33:07.289Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/e1403d02-f372-47b2-bfd8-3998f8e2c938"}