Great Northern Blueprint Number 1260-4-2, map of Corps of Engineers-Albeni Reservoir, 1951. Other subject categories: Map

Great Northern Blueprint Number 1260-4-3, map of Corps of Engineers-Albeni Reservoir, 1951. Other subject categories: Map

Great Northern Blueprint Number 1260-4-1, drawing of Corps of Engineers-Albeni Reservoir First Stage Construction Plan and Sections, 1951. Other subject categories: Drawing

Great Northern Blueprint Number 1260-4-3A, drawing of Corps of Engineers-Albeni Reservoir First Stage Construction Plan and Sections, 1951. Other subject categories: Drawing

Great Northern Blueprint Number 1260-4-2A, drawing of Corps of Engineers-Albeni Reservoir First Stage Construction Plan and Sections, 1951. Other subject categories: Drawing