A report on sandmining activities at Mangawhai Heads Kaipara DistrictTechnical ReportArmstrong, B.; Tortell, P., 1990. Expand
Compliance monitoring of a coastal permit for sand extraction, Otamarakau Beach, Bay of PlentyOther PublicationMcClymont, B.; Sowman, R.; Pugsley, C., 1998. Expand