10 slides labelled "Compaction" Appears to be sports ground near Burnley Campus.Not dated. May-Oct. 1 labelled "Terralift." 5 of pairs of seedlings labelled, "Eucalyptus maculata," "Eucalyptus ficifolia," "Lophostemon confertus" and "Agonis flexuosa."compaction, arboriculture, terralift