Free Nautical Charts

How to read a topographic map?

Hi! Can someone help me read this topographic map? http://i54.tinypic.com/6ok7kg.png What is located at 883481? Please tell me how you got the answer

Public Comments

1. looks like a school. the coordinates are 88.3 and 48.1. if you go to the 48 line and cross over to the 88 line, then slide over and up a bit, there is a building that appears to be a school (block with flag symbol).