TY - BOOK T1 - Characteristics of discrete and basin-centered parts of the Lower Silurian regional oil and gas accumulation, Appalachian basin :preliminary results from a data set of 25 oil and gas fields / DA - [1998] CY - [Reston, VA] : AU - Ryder, Robert T. VL - 98-216 CN - I 19.76: PB - U.S. Geological Survey, PP - [Reston, VA] : PY - [1998] N1 - "U.S. Department of the Interior, U.S. Geological Survey" N1 - Imprint from transmittal sheet. ID - 216822 KW - Petroleum KW - Natural gas KW - Geology, Stratigraphic TI - Characteristics of discrete and basin-centered parts of the Lower Silurian regional oil and gas accumulation, Appalachian basin :preliminary results from a data set of 25 oil and gas fields / ER -