Rather than analysing his works (there are plenty of places you can find analyses, and Long is also articulate in his artist statements), I will simply link to some of his pieces, along with some of the questions they raise for me. I highly recommend you click the links and have a look!
Lines made by walking
Maps and stone lines
I have no idea what Richard Long's opinion might be regarding the ‘penis runs’ recorded by Claire Wykoff in San Francisco, but I like to think of Wyckoff as the latest in a long line of people engaging with and interpreting the landscape in new ways!