Water-Resources Investigations Report 83-4013

From introduction: The purpose of this report is to describe the hydrology and potential impacts of mining in the vicinity of the town of Rock Island in northeastern Le Flore County where the upper and lower Harshorne coals are at or near the surface and amenable to surface mining

Water-Resources Investigations Report 82-4099

From purpose and scope: The purpose of this report is to describe the hydrology of the Stigler area, based on the limited data collected since October, 1978

Water-Resources Investigations Report 83-4166

From purpose and scope: The purpose of this report is to describe the hydrology of Brazil Creek basin in the vicinity of Red Oak and to assess the potential hydrologic effects of surface mining based on data collected between October 1978 and September 1981