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12 <br />• The second Oliver Mine entrance is currently barely visible with only <br />e few timbers and reddened sandstone around the portal belying its existence. <br />The tunnel has been completely closed, aryl vegetation has grown over the sealed <br />opera-nB• <br />The remains of the mill consist of a concrete slab with various metal <br />hardware scattered about. The distribution of the metal fragments, generally a <br />scatter with small piles of debris throughout, indicates that the area has been <br />thoroughly explored by relic hunters or salvagers. <br />Structural remains similar to those found on the north side of the river <br />occur throughout the floodplain. The one structure that remains relatively intact <br />is a log "powder house", located Just east of the mine portal (Plate IIb). The <br />small, east-facing building is constructed of sawed logs secured with round nails. <br />The roof apparently consisted of poles laid across the top of the structure. Dimen- <br />sions of the building are approximately two (L) by two (W) by one and a half (H) <br />meters. <br />The remains of the railroad connection to the operation are scattered through- <br />t the area. Generally, the track parallels the river, and a short section remains <br />tact Just east of the mill remains. Several coal wagons used to be located in this <br />area, but have been removed (Tan Hurst, personal communication). <br />A prehistoric locality was discovered on U.S. Steel property east of the <br />structural remains associated with the Oliver Power Plant. Four flakes were en- <br />countered in the txo trace roadbed that parallels the south side of the North Fork <br />Just above the stream bed. Three of the flakes are extremely low grade white chart <br />percussion flakes; the fourth is a red, white, and black mottled chart percussion <br />Slake with shear retouch along the distal edge. The items were not collected. <br />This material is confined to the sandy road surface, which has eroded to a <br />level approximately six centimeters beneath the present ground surface. Intensive <br />investigation of the surrounding area revelaed no other materials, even though the <br />undisturbed areas adJacent to the road allowed fifty percent plus ground surface <br />visibility. <br />The sandstone overhang located north of the Oliver Power Plant contained <br />no cultural remains. Though probably inhabitable, the floor slopes about three <br />?ercent to the south, and is notir almost totally covered with root fall. <br />• <br />