Land cover Land use 1984 partial coverage

Land cover and land use in the St. Johns River Water Management District based on 1984 color infrared aerial photography. This data covers only a portion of the St. Johns River Water Management District: most of the Upper Ocklawaha River Basin.基于1984年彩色红外航空摄影（color infrared aerial photography）的圣约翰河水资源管理区（St. Johns River Water Management District）土地覆盖与土地利用（Land cover and land use）数据集。本数据集仅覆盖该管理区的部分区域：即奥克拉瓦哈河上游流域（Upper Ocklawaha River Basin）的绝大部分区域。