[3][7] Niven conducted fieldwork and regularly scheduled trips to Pilgrim's Rest for her students to gain firsthand experience in research.
[11] Issues introduced and caused by visitors included litter and graffiti, lighting systems and lampenflora, interchange of flora and fauna, and removal of materials like guano and geological formations.
[12] Gamble began lecturing part-time in 1985 first in the Department of Town and Regional Planning and then in the School of Mechanical Engineering.
[3] Her work on environmental education for youth included publications, competitions, and clean-up efforts at various sites, emphasizing the need to protect caves.
[3] She was particularly noted during her tenure at EEASA for attracting sponsors to keep their journal afloat and establishing administrative procedures which allowed South African scholars access to cross-border collaborations.
[3] Gamble died of colon cancer on 27 March 1997 at the Brenthurst Clinic in Braamfontein and was buried on 14 April in Johannesburg.
[14] Scholar Stephen A. Craven, noted in 1992, that her contributions were "the most exhaustive work on cave conservation in South Africa".