Survey Metadata

NGR stream

British Columbia


NGR stream sediment and water survey, NTS 104A, H, northwest British Columbia, 2004.

Location map

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Survey Description

Helicopter and truck-supported sample collection was carried out between June 18 and July 23, 2004 in the Bowser Lake – Spatsizi River area, northwest British Columbia.  A total of 1463 stream sediment and 1458 stream water samples were collected from 1385 sites.  The average sample density was 1 site per 13.5 km2 over the 18,500 km2 survey area.  Duplicate samples were collected in each analytical block of 20 samples.  No samples were collected in Spatsizi Plateau Provincial Wilderness Park.  The data are published in Geological Survey of Canada Open File 5000 / British Columbia Regional Geochemical Survey RGS 58.

This survey was carried out using National Geochemical Reconnaissance (NGR) protocols.

Publication History

Index Publication
1 Friske, P.W.B., Jackaman, W., Lett, R.E.W., McCurdy, M.W. (2005). National Geochemical Reconnaissance (NGR): Regional stream sediment and water geochemical data, northwestern British Columbia (NTS 104A and 104H). Geological Survey of Canada, Open File 5000/British Columbia Ministry of Energy, Mines and Petroleum Resources, Regional Geochemical Survey RGS-58. (more)

Geographic Extent

Minimum Latitude Maximum Latitude Minimum Longitude Maximum Longitude
56° 58° -130° -128°

The geographic extent of the survey is defined by the following polygons:

  • Covers parts of NTS 104A (Bowser Lake) and 104H (Spatsizi River) in northern British Columbia.  It is bounded to the northeast by Spatsizi Plateau Provincial Wilderness Park.


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