Since I am taking the Watercolour Academy at ArtTutor, I recently did a few landscape studies in pen. The goal is to try and catch a nice composition, and possibly values, using the fewer marks possible. These first are from the class:
Next are some I did on my own as extra practice
And here are the reference images I used for these last 3
http://www.wetcanvas.com/RefLib/showphoto.php?photo=43894
http://www.wetcanvas.com/RefLib/showphoto.php?photo=178756
http://www.wetcanvas.com/RefLib/showphoto.php?photo=54912
By the way, have a look at WetCanvas, great community and immense image reference library!
See you soon with more sketches!