- Tammy Nelson, of Craig, announces the birth of her son, Greyson Kross Alexander Buttenham, at 6 p.m. Thursday, May 3, 2012, at Yampa Valley Medical Center in Steamboat Springs. The baby weighed 6 pounds, 7 ounces and was 19 inches long. Kathy Hoyt, of Craig, is the grandparent. The baby was welcomed home by siblings Kasey, Samantha Riley, and Sean. Delivered at Yampa Valley Medical Center.