Report of the Hydrographic Service Royal Australian Navy for the Year Ended 30th June 1990. Issue Number 26 Open PDF Document Details Document Type Technical Report Publication Date Jun 30, 1990 Accession Number ADA231687 Tags Communities of Interest Ground and Sea Platforms Human Systems DTIC Thesaurus Topics Acquisition Aerial Photography Australia Birds Cartography Computers Data Centers Deep Water Drafting Engineering Islands Oceans Personnel Management Quality Control Ships Students Training