20240926 17001100 1.0 TRUE AVI_ESMT This layer show the Avigation Easement and Disclosure Areas around Tucson International Airport and Ryan Airport as defined by the Tucson Airport Authority. Avigation means "aerial navigation". Lineage: Shapefiles ryan notif area.shp and tia notif area.shp were merged to create avi_esmt. Name and nameshort fields were added. Spatial Domain: Eastern Pima County Maintenance Organization: Tucson Airport Authority Maintenance Format: Shape Primary Source Organization: Tucson Airport Authority Primary Source Contact: Mike Carlson, 520-573-5115 Primary Source Document: ryan notif area.shp, tia notif area.shp Primary Source Date: 20041217 Primary Source Format: Shape GIS Contact: John Dickinson MapGuide Layer Name: Avigation Easement and Disclosure Areas MapGuide Scale Range: 0 - 100000000 Pima County Information Technology Department - Geographic Information Systems 201 N Stone Ave., 9th Floor Tucson, AZ 85701