Mississippi River, western Tennessee tributaries (backwater area), letter submitting interim report [by Mississippi River Commission] on review of those portions of House document 188, 72d Congress, covering lands in Dyer County, Tenn., and in Lauderdale County, Tenn., and reports on Obion and Forked Deer Rivers and tributaries, Tenn., covering Dyer, Lauderdale, Lake, Obion, Gibson, and Crockett Counties, with view to determining whether improvements for flood control and drainage are advisable in said counties.