2010-10-182010-10-181961Accession # 10750http://hdl.handle.net/1969.3/272316 pages; available for download at the link below.Mapping of Lavaca Bay was completed. Time was not available to accomplish any further work on East Matagorda Bay bottom. It was found that exposed shell and reef areas have greatly decreased in Lavaca Bay since the mapping of the bay bottom in 1913. Maps are included for study.en-USLavaca Bayreef mapMatagorda Bayoyster bedsoyster shell bedsoyster reefsTechnical Report