Conference papers, posters, university and museum seminars nn2014. Bryant, R., Attenbrow V., Grave, P., Sutherland, L., Pogson, R., Watt, H., Corkill, T., Stokes K. MacDonald River Hatchets: Tracking Sources in the Hawkesbury-Hunter Regions. Poster presented at the Australian Archaeological Association Annual Conference, Cairns, Queensland.nn2014. Attenbrow, V., Grave, P., Corkill, T., Sutherland, L., Pogson, R., Bryant, R., Exchange systems in Southeastern Australia – non-destructive pXRF analysis of ground-edged stone implements and geological sources. Paper presented at Indo-Pacific Prehistory Association Conference, Seam Reap Cambodia.nn2013. Attenbrow, V., Grave, P., Sutherland, L., Pogson, R., & Corkill, T. Identifying exchange systems & social networks in Southeastern Australia: pXRF Analysis Of Ground-Edged Stone Hatchets, Excavated Artefacts and Geological Sources. Department of Archaeology, University of Sydney seminar.nn2013. Stokes, K., Attenbrow, V., Watt, H., Corkill, T., Grave, P., Bryant, R., Pogson, R., Sutherland L. Dharawal hatchets: patterns of movement in the landscape of the Illawarra region of NSW. Poster presented at the Australian Archaeological Association Annual Conference.nn2013. Attenbrow, V., Grave, P, Sutherland, L., Pogson, R. & Corkill, T.nIdentifying Exchange Systems and Social Networks in southeastern Australia: Non-destructive pXRF analysis of ground-edged stone hatchets and geological sources. Paper presented at the World Archaeological Congress WAC-7, The Dead Sea, Jordan.nn2013 Attenbrow, V., Grave, P., Corkill, T., Sutherland, L., & Pogson, R. Identifying Exchange Systems and Social Networks in southeastern Australia: Non-destructive pXRF analysis of ground-edged stone hatchets and geological sources. Paper presented at the Australian Museum lunchtime seminar series. Sydney.nn2012. Attenbrow, V., Grave, P., Sutherland, L., Pogson, R., Corkill, T. Towards A Southeastern Australian Chronology – Ground-Edged Implements And Raw Material Sources Of The Central Coast Of New South Wales, Australia. Paper presented at the Australian Archaeology Association Annual Conference, Wollongong, NSW.nn2012. Corkill, T., Attenbrow, V., Grave, P., Sutherland, L., Pogson, R., Watt, H., Stokes, K, & Bryant, R. Hatchets of the Sydney Basin: Where did they come from, where did they go? Poster presented at the Australian Archaeological Association Annual Conference. Poster presented at the Australian Archaeology Association Annual Conference, Wollongong, NSW.nn2010. Graham, I., Z. Hatzopoulos, L. Sutherland, H. Zwingmann, John Byrnes, T. Corkhill. The age, geochemical affinity and significance of the Maroota basalt, Hawkesbury region, NSW. Proceedings of the 37th symposium on the geology of the Sydney Basin. Hunter Valley, NSW.