Renfro, William C.Texas Game and Fish Commission Marine Lab Project Reports 1958-592010-02-152010-02-151959http://hdl.handle.net/1969.3/198423 pagesSamples of the bottom sediments in upper Galveston and Trinity Bays were obtained by various means including by hand, plastic tube, Eckman dredge, etc. and the distribution of the various bottom types were plotted throughout the area. Information and data were gathered from numerous sources and publications.Ekman dredgesedimentssamplingsediment samplingbottom topographyTechnical Report