Utah Quaternary Volcanic Flow

This data set represents the quaternary volcanic flow in the State of Utah at scales of 1:20,000 to 1:100,000. The data were published in "Quaternary Tectonics of Utah" (Hecker, Utah Geological Survey Bulletin 127, 1993).本数据集涵盖了犹他州范围内比例尺为1:20000至1:100000的第四纪火山流（Quaternary volcanic flow）。该数据集相关成果发表于《犹他州第四纪构造》（Quaternary Tectonics of Utah），作者为Hecker，刊载于《犹他州地质调查局第127号公报》（Utah Geological Survey Bulletin 127），1993年。