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County Map Collection 1900 thru 1959 - Harris County Archives
Old maps of Harris County, Texas
County Map Collection 1959 thru Present - Harris County Archives
Harris County, Texas, Guide and Road Map - HCPL
Municipal Map Collection 1921 thru 1950 - Harris County Archives
Home - Harris County Digital Archives
Old Historical Maps of Houston, TX - Pastmaps
Historic Property Research - Harris County Digital Archives - HCPL
Harris County Historical Commission > Home
GLO Historic County Maps - The Portal to Texas History