WEBSTER, S.D. - Kaylan Johnson and Nathan Pool announce their engagement. Parents of the couple are Brian and Sue Johnson of Walnut Grove and Al and Angie Pool of Milroy. Pool is a 2003 graduate of Tracy Area High School and graduated from South Dakota State University in Brookings, S.D., in 2007. He is employed by Blue Dog Lake State Fish Hatchery in Webster, S.D. Johnson is a 2004 graduate of TAHS and graduated from SDSU in 2008. She works at Breske Crop Insurance in Webster, S.D. The couple plans an April 16, 2011, wedding in Walnut Grove.