	*Beste, Bob (2014) Location Guide for Rockhounds in the United States* (4th ed.) Vol. 4 - Part IV - South Dakota through Wyoming.**	Book (volume)
	States SOUTH DAKOTA This northwestern Great Plains state varies from nearly level farmland to hill ridges...boundary with Wyoming. In the far western counties of Lawrence, Meade, Custer and Pennington the land rises abruptly...Northern Section, centered in lead and Deadwood in Lawrence Co.; and a Southern Section, covering a somewhat...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides
	*(2022, May) Eureka! Self-Collected Minerals. The Mineralogical Record* Vol. 53 (3.1) The Mineralogical Record, Inc.**	Journal (issue)
	will never again be all together in its original state. These are the memories that mineral collectors...the most productive wulfenite localities in the state. Following the discovery of the first pocket in...museum quality.” (Szenics, 1967) Spruce Peak, King County, Washington, 1977 Beautiful pyrite and quartz specimens...on sleds and pulled down the long and difficult route to meadows below the snow-line, then carried along...and FLECK, G. (1980) The Grey Horse mine, Pinal County, Arizona. Mineralogical Record, 11 (4), 231–232
	*Beste, Bob (2005) Location Guide for Rockhounds in the United States* (3rd ed.) Vol. 3 - Part III - Ohio through Wyoming.**	Book (volume)
	within the state, but every one of Ohio’s 88 counties is surfaced with Pleistocene debris. The state was buried...Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT, area...CLERMONT COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON...deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE
	*Beste, Bob (1996) Location Guide for Rockhounds in the United States* (2nd ed.) Vol. 3 - Part III - Ohio to Wyoming.**	Book (volume)
	within the state, but every one of Ohio’s 88 counties is surfaced with Pleistocene debris. The state was buried...Pyrite, Selenite and Sphalerite. A few alluvial Diamonds have been found. ASHTABULA COUNTY CONNEAUT, area...CLERMONT COUNTY MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON...deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE

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Sphalerite from State Route 37 roadcut, Bedford, Lawrence County, Indiana, USA

Sphalerite from
State Route 37 roadcut, Bedford, Lawrence County, Indiana, USA