Birch: May 17. Elevation above normal, water upper 60s to low 70s and murky. For current elevation conditions go to the US Army Corps of Engineers website at https://www. swt-wc.usace.army.mil/BIRC. lakepage.html. Largemouth bass good on plastic baits and spinnerbaits in coves, along rocks and shallows. Crappie fair on minnows and jigs around brush structure, docks and standing timber. Report submitted by Jeremy Bersche, game warden stationed in Osage County.