Transcript -- A saddle point from Getting your Bearings - for iPad/Mac/PC

Getting your Bearings - for iPad/Mac/PC

The Open University

Transcript -- A saddle point

1 seconds Posted May 19, 2009 at 1:29 am.

0:00

0:01

Share at current time

Show notes

Using contour lines the ramblers can predict the land features they are up against.