Big Hill L.O. Eldorado N.F
P.S.L.O. Apache-Sigreaves N.F
Laverne Harrell Clark (1981)
Mismaloya, Jalisco (1981)
Pinery Canyon (25 December 1983)
Hualapai Mtn Park, Mohave Co., AZ
BEP Coal Employment Mitigation Seminar, Cincinnati, Ohio (1990)
Todos Santos, Guatemala (1 November 1991)
Fairview, OR (November 1992)
Encinitas (December 1992)
Place Pigalle, Paris (January 1994)
OECD/NACEC/PRTR Ottawa (June 1994)
Citizens Mining Information Network, Butte (July 1994)
La Red Fronteriza de Salud y Ambiente, Hermosillo (October 1994)
OECD/PRTR, Matamoros, Tamaulipas (December 1994)
WWF Toxics Committee, Geneva (January 1995)
Border Ecology Project, Paradise, Arizona (April 1995)
OECD/PRTR, London (June 1995)
La Jolla Cove (August 1995)
OECD/PRTR, Mansion Galindo, Rio San Juan, Querétaro (July 1997)
OECD/PRTR, Bonn (March 2000)
Global Anti-Incineration Alliance, Johannesburg (December 2000)
Puerto Peñasco, Sonora (2011)
Heidi Dehncke-Fisher (2011)
Central School Project (2015)
Emilie Vardaman, San Pedro River (January 2020)
Rebecca Lamont, Whitewater Draw, March 2022