DENVER. PARKS. WASHINGTON Police enforcing 20 mph speed limit on bikers. RMN Jy 31, 1987 p.8 Feature on renovated boathouse. Denver Magazine v.17 #10 S 1987 p.70-71 Bicyclists cause problem for joggers. Up the Creek Jy 24, 1987 p.4 Renovated boathouse must be rented to use. Up the Creek Ag 7, 1987 p.4-5 City gets private company to drege Grasmere Lake. RMN D 1, 1988 P.8 0