| Type |  Book |
| ชื่อเรื่อง | Papers from the 1971 ASP-ACSM Fall Convention American Congress on Surveying and Mapping |
| พิมพลักษณ์ | Washington, D.C. : American Congress on Surveying and Mapping, c1971 |
| รูปเล่ม | 454 p. : ill |
| หัวเรื่อง | Cartography |
| | Surveying --Congresses [] |
| | Digital mapping |
| | Map projection |
| | Surveying --Computer-assisted instruction [] |
| | Surveying --Instruments [] |