Keuffel and Esser Level
Storage Box for Professor Day's Level
Communities - Holland Marsh A-H
Communities - Holland Marsh H-P
Communities - Holland Marsh Q-Z
Bradford-Holland Marsh Plan 100 Year Spectacle
Prof. William H. Day
Prof. William H. Day
Prof. W.H. Day cairn - detail
Holland Marsh Garden and Associated Industry Greatly Exceeds Most Optimistic Visions
Prof W.H. Day and Crew
