Subject

• Copies. Derivative objects. 4
• Drawings. Visual works. 4
• Longitudinal sections. 4
• Plans. Maps. 4
• Elevations. Orthographic projections. 3
• Maps. Cartographic materials. 3
• Photographs. 3
• Cross sections. 2
• Marine charts. 2
• Plans (drawings). 2
• Surveys. Documents. 2
• Topographic surveys. 2
• Carbon copies. Reprographic copies. 1
• Design drawings. 1
• Drawings. Visual works 1
• Engravings. Prints. 1
• Manuscript maps. Maps. 1
• Notes. 1
• Sectional elevations. 1
• Stats. Copies. 1