The Ohio (Lot 3124) is located at 792 metres elevation, on the east side of Highway 33 between Hay and Boomerang creeks, 25 kilometres south of Beaverdell. It is adjacent to the Monte Christo property (082ESW233).

Mining activity has taken place in the area since 1859, when placer gold was panned from Rock Creek. Old workings on the Ohio (Lot 3124) Reverted Crown grant indicate early prospecting and development. The first records are in 1901. In 1912, the Ohio claim was Crown granted to N. Morrison. Then in 1923, B.S. Stanhope was the registered owner. By 1923, J.F. Worthington and associates had developed two crosscut tunnels with several associated drifts and short winzes. One tonne of ore is reported mined in 1928 by the Ohio Syndicate. In 1980 and 1981, the occurrence and surrounding area were staked and explored by Rock Creek Joint Venture and Dayton Creek Silver Mines Ltd., respectively.

Hostrocks underlying the Ohio past producer are predominantly foliated, medium to coarse grained, hornblende biotite granodiorite, quartz diorite and granite. These are assigned to the Middle Jurassic Nelson intrusions. Massive biotite porphyritic granodiorite and granite of the Cretaceous to Tertiary Okanagan batholith also occur in the vicinity. Outcrops of conglomerate, breccia, porphyritic andesite and trachyte of the Eocene Penticton Group overlie these intrusions.

Hostrocks are dominantly medium to coarse grained, locally porphyritic, granodiorite of the Nelson intrusions. Cretaceous diorite, aplite and quartz porphyry dikes intrude the granodiorite.

The upper crosscut tunnel (No. 1) extends 4.6 metres. At the end is a short winze. A drift extends for another 12.8 metres. A quartz vein, 15 to 36 centimetres wide, is exposed over 5.8 metres strike length. The shear-hosted vein strikes 227 degrees and dips 70 degrees to the northwest. Pyrite with iron staining, minor disseminated chalcopyrite, galena and free gold comprises the vein mineralization. A sample from the winze yielded 6.85 grams per tonne gold, 68.6 grams per tonne silver and 1.5 per cent copper (Minister of Mines Annual Report 1929, page 259). Above the tunnel 15 metres, numerous opencuts expose two veins striking 355 and 028 degrees, respectively. A porphyry dike striking 010 degrees has displaced the veins.

The lower crosscut tunnel (No. 2) is found 30 metres west and 3 metres south of the upper tunnel. A 4.6-metre winze is found at the end of the tunnel from which a 26-metre drift follows a quartz vein for 12.8 metres. The vein width varies from 2.5 to 51.0 centimetres and has been displaced and fractured from faulting. Mineralization is the same as found in the No. 1 tunnel. A sample from the sorted dump assayed trace gold, 13.7 grams per tonne silver and 0.7 per cent copper (Minister of Mines Annual Report 1929, page 259).

Sampling of these old workings during 1981 did not yield any anomalous gold or silver values (Assessment Report 9504).

The 1 tonne of ore mined from the Ohio in 1928 yielded 62 grams of silver and 6 kilograms of lead.

During 2014 through 2016, Carrara Exploration Corp. completed programs of geological mapping, geochemical (rock and soil) sampling and a ground magnetometer survey on the area as the Boomerang property. In 2016, a sample (1601) of outcrop from the Ohio zone assayed 2.360 grams per tonne gold, 45.7 grams per tonne silver and 0.302 per cent lead over 0.06 metre (MacIntyre, D. (2016-11-10): Technical Report - Boomerang Gold-Silver-Lead-Zinc Property).