Browse Illinois State Water Survey (ISWS) by Subject "Jefferson County, Illinois"

  • Bryan, Audrey A.; Wendland, Wayne (Illinois State Water Survey, 1995)
    Mt. Vernon (Jefferson County) has a temperate continental climate dominated by maritime tropical air from the Gulf of Mexico from about April through October, maritime polar air from the Pacific Ocean in spring, fall and ...

    application/pdf

    application/pdfPDF (410kB)