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101 <br />,Powell Gravel Pit Location + Powell Gnme1 m <br />y(M 1995012) i Gravel pit- 19112 usGS tape <br />HlstoricaL Gravel Pits and Quarries A quat"-1942 w4s tape <br />From Mellen Hill, 7.5min Topographical Map, 1962 Highways <br />The Powell gravel pit does net sppoer - tern Roads <br />an Ow i962 topagn phkal mop. { federal and Sate Ownership <br />Map 1. The location of the Powell Gravel Pit and historical pits or quarries in the <br />surrounding area. <br />Historically there have been several gravel pits or quarries in the corridor <br />along US Highway 40 (HWY 40) and near the Powell gravel pit. Using the U. <br />S. Geological Survey (USGS) Mellen Hill, CO., 1962, (o40108b8), 7.5 minute <br />series (1/24,000) topographical map, we found four gravel pits or quarries in <br />the vicinity (Map 1). The Powell gravel pit was not shown on the 1962 map. <br />It is believed that the pit was mined extensively in the late 60's and early <br />70's, with the product being used in the construction of HWY 40. <br />In 1995 Mr. Powell applied for a permit to reopen and operate the pit. The <br />primary product is gravel and stone, with sand a secondary. Small amounts <br />of clay, that has properties similar to bentonite, have been removed and <br />utilized for sealing stock ponds. It is believed that no products were <br />I[1It: POW 1, 1- L ItAVI. L I'II VINIA UILSC) 1.RANCII <br />1;Y: G R IA V BA, ,IN I:VVIItONAAi,NTA 1. AND *VDI 11I ICS - IV IV1VJ;ItI.ATK\,INI titi 1 L.CON-1 <br />`0 <br />_.. _. <br />. <br />r <br />*�f:k <br />—L <br />_— <br />re.. VKta DM Snl Ranch <br />AM Cecn'Cark" Powell <br />as GAS a <br />0.9 1 1.5 <br />Wksg, <br />2 8 <br />Gram anme <br />Begin EnNrntw <br />And AoMOM <br />Map 1. The location of the Powell Gravel Pit and historical pits or quarries in the <br />surrounding area. <br />Historically there have been several gravel pits or quarries in the corridor <br />along US Highway 40 (HWY 40) and near the Powell gravel pit. Using the U. <br />S. Geological Survey (USGS) Mellen Hill, CO., 1962, (o40108b8), 7.5 minute <br />series (1/24,000) topographical map, we found four gravel pits or quarries in <br />the vicinity (Map 1). The Powell gravel pit was not shown on the 1962 map. <br />It is believed that the pit was mined extensively in the late 60's and early <br />70's, with the product being used in the construction of HWY 40. <br />In 1995 Mr. Powell applied for a permit to reopen and operate the pit. The <br />primary product is gravel and stone, with sand a secondary. Small amounts <br />of clay, that has properties similar to bentonite, have been removed and <br />utilized for sealing stock ponds. It is believed that no products were <br />I[1It: POW 1, 1- L ItAVI. L I'II VINIA UILSC) 1.RANCII <br />1;Y: G R IA V BA, ,IN I:VVIItONAAi,NTA 1. AND *VDI 11I ICS - IV IV1VJ;ItI.ATK\,INI titi 1 L.CON-1 <br />