North Bay Resources Inc (NBRI)

[mick]

#49/\08-26-2019/ Technical Assessment Report on the Mount Washington Property
http://www.northbayresources.com/2019_MW_43101.pdf

Vancouver Island, British Columbia
NTS 092F/14
BCGS 092F074 & 092F075
Latitude 490 45’ 23” Longitude 1250 15’ 22”
UTM NAD83 Zone 10N 337500E 5514000N
For
North Bay Resources Inc.
PO Box 162
Skippack, PA, USA 19474
By
Jacques Houle P.Eng.
6552 Peregrine Road
Nanaimo, B.C. V9V 1P8
August 26, 2019
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Mineral Resource Estimates
Of the twenty-four veins and zones identified in the Geological Setting and Mineralization
section of this report, historical or other mineral resource estimates have been established on
only four veins, none of which are to NI43-101 and CIM standards and therefore cannot be
relied upon. None of the nine breccia zones has been subjected to sufficient and successful
detailed work to date to establish mineral resources estimates. In 2014 the author issued a
NI43-101 and CIM compliant mineral resource estimate for the MWC Tailings Dam. Of the four
veins with mineral resource estimates, two were partially mined out by Mt. Washington Copper
Co. Ltd. and have combined statistical data, and the other two may be contiguous and
therefore one is included in the other. The four veins and tailings are summarized as follows:
Domineer No.1 Vein (may be contiguous with Lakeview Zone to the west – on Crown Grants
underlying Property)
Included in Lakeview-Domineer Resource by Better Resources (1989), shown below.
Mt. Washington Copper No.1 Zone (Tunnel Block, South Pit – Adjacent to Property)
From 1965 to 1967, 342,600 tonnes of ore averaging 1.005% copper, 0.413 g/t gold, and 22.5
g/t silver were produced from the No.1 and No.2 Zones combined. In addition, mineral
resources remaining adjacent to one or both pits were estimated at 305,720 tonnes @ 1.07%
copper by W.G. Stevenson (1970). These zones are adjacent to and surrounded by the Mount
Washington Property.
Mt. Washington Copper No.2 Zone (Noranda Block, North Pit – Adjacent to Property)
Included in Mt. Washington Copper No.1 Zone above.
Lakeview Zone (West Grid, Meadows; may be contiguous with Domineer No.1 Vein – partially
on Property, on Adjacent Property and on Crown Grants underlying Property)
Combined Lakeview-Domineer mineral resource estimate by Better (1989) as follows:
Drill-Indicated Underground:

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Area/Zone Min. Grade Min. Thickness Tonnes Gold Silver
Lakeview-Domineer 3.4 g/t gold 2.0 metres 301,270 7.2g/t 37.7g/t
Drill-Indicated Open Pit:
Area/Zone Min. Grade Min. Thickness Tonnes Gold Silver
West Grid 1.7 g/t not specified 249,546 6.2g/t 25.4g/t
Based on the detailed observations from the Lakeview-Domineer adit driven by Better in 1987-
88, as detailed in the History Section of this report, it appears that there are higher grade
sections of the zone which may be defined by more detailed work. Only a portion of the
Lakeview-Domineer historical mineral resources are located on the Mount Washington
Property.
Mt. Washington Copper Tailings Dam – (on Property)
CIM and NI43-101 compliant mineral resource estimates are 241,625 tonnes @ 0.119 g/t gold,
5.68 g/t silver, 0.098% copper, 8.26 g/t tellurium indicated mineral resource, and 83,775 tonnes
@ 0.119 g/t gold, 5.68 g/t silver, 0.098% copper, 8.26 g/t tellurium inferred mineral resource (J.
Houle, 2014). Tonnage of entire dam were calculated from production records in BC MINFILE
as 342,600 tonnes milled less 17,200 tonnes concentrate produced for a net amount of 325,400
tonnes estimated to be contained in the tailings dam. Grades were estimated based on the
2011 sampling program completed on the accessible northwest portion of the tailings dam,
using sample length weighted average grades calculated for each drill hole. Polygons were
used to allocate grades by area to each drill hole and creating resource blocks named after each
drill hole. Volumes were estimated by multiplying resource block areas by drill hole depths for
each block. Tonnages for each block were estimated using a density of1.25 t/m3. The total
tonnage within the resource blocks was estimated at 241,625 tonnes, and can be considered an
indicated mineral resource according to CIM and NI43-101 standards. This represents about
75% of the total tonnage of tailings estimated to be contained in the tailings dam. The
remaining 83,775 tonnes estimated to be contained in the tailings dam can be considered an
inferred mineral resource, with grades estimated to be the same as that for the indicated
resources. See summary in Table 4 below:

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