Memorandum from Allen Clark to William P. Clements regarding "Ixtoc I Update," June 9, 1980. Memo describes issues Clements is to be aware of before an upcoming visit to the Texas Gulf Coast, most having to do with cleanup from the Ixtoc oil spill. Also includes a newspaper clipping by Helen Dean of the Corpus Christi-Caller dated May 2, 1980, and titled "Most tar mats will be left in place for now."