Only one other copy of this map is known to exist. The map’s cartographer was A.F. McKay ; the publisher (probably) Land &River Improvement Co.; and the printer Rand, McNally and Co.
这幅地图仅有一副备份，地图制作者是A.F.Mckay 出版商（可能）是山川河流改造公司，承印商为Rand McNally and Co
2
The ideal copy method for digital information in land and resources is a kind of equipment with automatic managing function and low price.
数字国土资源资料理想的备份方案是一种容量大、具有先进的自动管理功能、价格又相对较低的设备。
3
Copy cat of the land of light, specifically light of the country to copy the page functions: copy web pages will Discuz decoding into TXT, and can automatically download an attachment.