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 "description": "<DIV STYLE=\"text-align:Left;\"><P STYLE=\"font-size:16ptmargin:0 0 0 0;\"><SPAN><SPAN>A 1000\u202fm grid of airborne radiometric Natural Absorbed Dose Rate (NADR, also referred to as Total Counts) for the Saint John survey area, New Brunswick (1983).<\/SPAN><\/SPAN><\/P><P STYLE=\"font-size:16ptmargin:0 0 0 0;\"><SPAN><SPAN>This dataset represents the Natural Absorbed Dose Rate (NADR) measured during the Saint John airborne radiometric survey flown in 1983 at 1000\u202fm line spacing. NADR reflects the total gamma-ray counts from near-surface rocks and provides a measure of overall natural radioactivity within the survey area. The dataset is provided in NB Stereographic double (NAD83) for consistent integration with provincial datasets.<\/SPAN><\/SPAN><\/P><P STYLE=\"font-size:16ptmargin:0 0 0 0;\"><SPAN>The SaintJohn_NADR raster was produced by microlevelling line-to-line variations in the original survey data and interpolating the results to a seamless 1000\u202fm grid. The final raster was delivered as a .ers file in NB Stereographic double (NAD83).<\/SPAN><\/P><DIV><DIV><P><SPAN>The dataset is not updated regularly. Updates occur only if new reprocessing, corrections, or additional surveys become available. As of now, the compilation represents the most recent processing as of December 2025.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>",
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