A proposed pumped-water electricity storage facility at Seminoe Reservoir could decimate the prized Miracle Mile trout fishery on the North Platte River and jeopardize a bighorn sheep herd that wildlife officials rely on to support the species’ populations in other areas, critics of the $4 billion project say. Anglers, business owners and wildlife biologists joined state and federal regulatory officials Thursday to testify before the Legislature’s Travel, Recreation, Wildlife and Cultural Resources Committee. They cautioned that a primary federal permitting review — by the Federal Energy Regulatory Commission — is too lax on “acceptable” impacts and riddled with inaccurate assumptions fed to it by project developer rPlus Hydro. “These concerns are not theoretical for us,” Casper Mayor Ray Pacheco told the legislative panel.…