The orientation of the yardangs leads scientists to theorise that strong north-northeasterly winds (from the lower right in the image) both deposited the original sediments and then caused their subsequent erosion in a later drier period of martian history.
A 30 km-long field of darker dunes can be seen bisecting the yardangs and is thought to have formed at a later epoch.
Ward has been coming to study the yardangs off and on since 1977 and was in the Antelope Valley in October to work on a documentary on Mars.
There are yardangs at other deserts in the world, including some in Iran that are miles long and more than 300 feet high.
The Edwards yardangs were first reported by a Stanford University researcher, Eliott Blackwelder, in the 1930s.
The best guess is that the formation of the yardangs began during the last ice age, 30,000 to 50,000 years ago.
Ward believes the yardangs are still relatively young, in geologic terms, and are actually still being carved out.
Ward, who performed wind tunnel tests using material taken from Rogers dry lake, believes the wind will eventually cause the yardangs to disappear, keeping a width to length ratio of 1 to 4 as they erode away.
The yardangs on Mars are close to a volcanic crater called Olympus Mons.