Zelinsky. According to Stephen W. Tweedie, an Associate Professor Emeritus in the Department of Geography at Oklahoma State University, the Bible Belt was viewed in terms of numerical concentration of the audience for religious television when he first published his research in 1995. He finds two belts: one more eastern that stretches from Florida, (excluding Miami, Tampa and South Florida), through Alabama, Tennessee, Kentucky, Georgia, the Carolinas, and into Southside Virginia; and another concentrated in Texas (excluding El Paso, and South Texas), Arkansas, Louisiana, (excluding New Orleans and Acadiana), Oklahoma, Missouri (excluding St. Louis), Kansas, and Mississippi. "[H]is research also broke the Bible Belt into two core regions, a western region and an eastern region. Tweedie's western Bible Belt was focused on a core that extended from Little Rock, Arkansas, to Tulsa, Oklahoma. His eastern Bible Belt was focused on a core that included the major population centers of Virginia and North Carolina. A study was commissioned by the American Bible Society to survey the importance of the Bible in the metropolitan areas of the United States. The report was based on 42,855 interviews conducted between 2005 and 2012. It determined the 10 most "Bible-minded" cities were Knoxville, Tennessee; Shreveport, Louisiana; Chattanooga, Tennessee; Birmingham, Alabama; Jackson, Mississippi; Springfield, Missouri; Charlotte, North Carolina; Lynchburg, Virginia; Huntsville-Decatur, Alabama; and Charleston, West Virginia. A study by the Pew Research Center in 2016 found that the ten most religious states were Alabama, Mississippi, Tennessee, Louisiana, Arkansas, South Carolina, West Virginia, Georgia, Oklahoma and North Carolina. By state Other Bible Belts in the United States In addition to the South, there is a smaller Bible Belt in West Michigan, centered on the heavily Dutch-influenced cities of Holland and Grand Rapids. Christian colleges in that region include Calvin College, Hope College, Cornerstone University, Grace Christian University, and Kuyper College. Much like the South, West Michigan is generally fiscally and socially conservative. There is also a Bible Belt in the western suburbs of Chicago (especially in DuPage County), centered on Wheaton. Christian colleges in that region include Wheaton College, North Central College, Northern Baptist Theological Seminary, and Elmhurst College. Christian publishing houses in that region include Good News Publishers, Intervarsity Press, and Tyndale House. Carol Stream is home to the headquarters of Christianity Today. Colorado Springs, Colorado could be considered a Bible belt due to the large amount of prominent evangelical organizations headquartered there including Focus on