Land was chosen and a road was developed, but the grocery store was never built after the Army Corps of Engineers changed the wetlands mitigation rules. The deal fell victim to stringent new requirements by the Army Corps of Engineers that forces developers to pay more to offset the loss of wetlands in new construction projects. And with much of St. Tammany Parish -- even the acres of pine forest that appear high and dry to the naked eye -- classified as wetlands by the corps, local leaders fear the tough new restrictions will stifle growth for years to come.