The PD 4 occurrence is located near a small tributary of Beaver Creek, approximately 1.2 kilometres north of Abbott Lake, 6 kilometres west-northwest of the community of Horsefly.
The area is underlain by basalts and volcaniclastics of the Upper Triassic Nicola Group.
Locally, as defined by drilling, an intensely brecciated, sheared and ground chlorite-epidote altered plagioclase-pyroxene phyric basalt fragmental set in soft semi-consolidated clay and sand groundmass hosts disseminated to patchy malachite and native copper with trace disseminated bornite mineralization.
In 2003, two drill holes (RP03-06 and 07) were completed to test a chargeability anomaly. Drill hole RP03-06 intersected a weighted average of 0.45 per cent copper and 21.5 grams per tonne over a true width of 6.5 metres, while drill hole RP03-07 intersected 2 metres yielding 0.24 per cent copper and 2.0 grams per tonne silver (Assessment Report 27121).
In 1999, Herb Wahl and Jack Brown-John staked the Dot Com claims and later the Rim claims. Subsequent work carried out by the two included prospecting, a wide spaced enzyme leach soil survey and conventional soil sampling followed by test pitting and trenching. Results of their work discovered extensive areas containing highly anomalous copper and silver values in both bedrock and float samples. In late 2002, Phelps Dodge signed a joint venture agreement on the property with the owners.
During the latter part of 2002 and early 2003, core drilling concentrated on further development of the Bird Drop showing and Boulder showing areas. Seven core holes were drilled for a total of 1009.7 metres. Results indicated that the showing did not contain copper grades over significant widths indicative of ore grade material. The claims were subsequently allowed to lapse.
Programs of test pitting and trenching along with soil sampling and silt sampling were conducted by tenure holders H. Wahl and J. Brown-John from 2008 through 2015 on their Rimfire property.
In 2011, a soil sampling program was completed to expand the 2009 soil grid. This program identified a copper-lead-zinc-silver soil anomaly greater than 1 kilometre long and up to 300 metres wide with in the northern section of the Central Shear zone (PD 4). The following year, a program of test pitting was completed but failed to reach bedrock. Test pitting in 2015 indicated the the Central Shear Zone is a topographic low trending northwest for some 2,000 metres, where it intersects an east-west topographic low at the south end of Finger Lake. The east-west trend also shows anomalous copper-in soils over a distance of 800 metres and has mineralized copper float.
In 2023 and 2025, Eagle Plains Resources ran programs of till sampling over their Woodjam property, including the Dot Com showing.
