Subject

• Copies. Derivative objects. 2
• Plans (drawings). 2
• Plans. Maps. 2
• Sketches. 2
• Topographic surveys. 2
• Carbon copies. Reprographic copies. 1
• Engravings. Prints. 1
• Manuscript maps. Maps. 1
• Marine charts. 1
• Measurements. 1
• Perspective views. Images. 1
• Photographs. 1
• Reports. 1
• Stats. Copies. 1
• Surveys. Documents. 1
• Working drawings. 1