Early treatment method - fumes from boiling arsenic mixture drifting through the thick pear... Circa 1919 - photographer unknown

Common pear on the increase - Moree area circa 1920 - photographer unknown

A gang of pear-poisoners ready to commence spraying - photo from 1926 Prickly Pear Land Commission Annual Report (Qld)

Arsenic pentoxide being packaged for treatment of prickly pear - photo from 1926 Prickly Pear Land Commission annual report (Qld)

Tiger and common pear - believed to be in the Roma Qld area circa 1930 - photographer unknown

Small girl posing in amongst a major stand of smooth tree pear (about 1930) Photographer unknown

PPDC Inspector Jack Bailes standing in amongst a major common pear area - Scone 1938 (photo Norris J Small)

Frank Spratt ex PPDC head office standing next to a large rope pear plant - 1954. Photo VH Gray

Garry Ryan spraing tiger pear Pilliga Forest 1962 - photo VH Gray

Tiger pear Moree area prior to introduction of cochineal (and, later, broadacre crop farming) photo VH Gray

Bingara PPDC Depot - 1975

Prickly-pear Destruction Commission staff and partners at Commissioner Vic Gray's sendoff at Scone 1980 - photograph by Ian Gray

Fred Troutman travelling on Midkin, Moree 1980

Cardona pear in Barry Sampson's area. Note Snowy Mountains in the background

Bob Smith (Bingara) demonstrating correct method of spreading cochineal insects in tiger pear - Bingara area, 1985

Common pear near Collarenebri 1985

Ron Sippel making up another batch of prickly pear spray - Tamworth PPDC depot 1987 - photo G E Ryan

Les Quickenden, Doug Hatch and Neville Brady spraying common pear near Tamworth 1987 - photo G E Ryan

Leigh Dixon, Gordon Coss and Kevin Whitton - Bingara (about 1988)

Ron Ajani with a patch of Riverinea pear - Wentworth (about 1990)

Patch of harrisia cactus near Boggabilla 1990

Kevin Whitton, Leigh Dixon and Claude Fraser - picnic lunch at Lennox Head (about 1990)

Leigh Dixon checking out the common pear at Lennox Head (about 1990)

Peter Hodge, Kevin Whitton and Garry Ryan - Harrisia bio trials Boggabilla (about 1992)

Leigh Dixon and Claude Fraser at the official opening of Claude's new office Bingara Depot about 1992

Xmas breakup Bingara Depot - Gordon Coss, Les Tanner and Leigh Dixon - about 1993... photo Bob Smith

Paul Lutschini checking out large tiger pear plants on a Turon River property near Sofala circa 1994

Mudgee PP staff: Peter Proctor, John Staines, David Dowler, Les Glazier - photo supplied by Peter Proctor