Marwitz, S.Texas Parks and Wildlife.2010-02-152010-02-151984http://hdl.handle.net/1969.3/22560p. 40-43.The ranch owner gave special permission for Coastal Fisheries biologists and technicians to enter the Powderhorn Ranch. The three biologists and two technicians from the Seadrift Field Station began the roundup operation of tarpon on November 7. They captured 144 tarpon ranging from five to 12 inches long with an 8 1/2-inch average.fishingtarpontagstaggingstock assessmentseine netsfishing gearfishery resourcesArticle