Subject

• Carbon copies. Reprographic copies. 1
• Copies. Derivative objects. 1
• Cross sections. 1
• Elevations. Orthographic projections. 1
• Engravings. Prints. 1
• Longitudinal sections. 1
• Manuscript maps. Maps. 1
• Maps. Cartographic materials. 1
• Photographs. 1
• Plans (drawings). 1
• Stats. Copies. 1
• Surveys. Documents. 1
• Topographic surveys. 1