Business Tallgrass sells 500 acres in Louisiana to help restore coastline By Deanna B. Narveson - January 3, 2023 Louisiana marsh (iStock) FacebookTwitterLinkedinEmailPrint Midstream oil and gas giant Tallgrass announced last week that it would sell 500-plus acres in Louisiana to help restore the eroding coastline and protect communities from hurricane damage, report… Already an INSIDER? Sign in.