here is the proper link
https://www.e-education.psu.edu/geog871/l5_p5.html
here is the attached photo.
On 2017 I read no such thing exist . Just asking for now are we having it?
here is the proper link
https://www.e-education.psu.edu/geog871/l5_p5.html
here is the attached photo.
On 2017 I read no such thing exist . Just asking for now are we having it?