City Landfills:

• PAG/OEM report – "City of Tucson Landfill Well Inventory" 1999

- Landfill boundaries drawn from 1990 aerial photo with reference from the 1996 CDM report
• City landfill boundary information provided by City of Tucson Solid Waste (Sept. 1997 provided photocopies of the landfill boundaries from the 1996 CDM report) and OEM
• Rio Nuevo landfill boundary came from the 1999 Zonge Engineering report

• PAG, 1997. LESP IV Preliminary Assessment of Fourteen County-operated Landfill, Pima County, Arizona

- County Maps and Records 1990 aerial photo collection 1"= 400’
• Harding Lawson, 1986. LESP IV El Camino del Cerro & Ina Landfills
• PCSWM, 1995 & 1999. Personal Communication
• PAG, 1993. Assessment of 10 City Operated Landfills
• Pima County Solid Waste’s miscellaneous files and records

• COT Solid Waste Management - M.J. Dillard
1998 CDM report
PAG reports; 1989a, 1989b, 1993
• Pima County Solid Waste – Dave Acker