Would you have used a pressure washer on marble as the article states?
Vandals splash paint on Lincoln Memorial - The Washington Post
Yes and on a sidebar note the PWNA cleaned the Lincolm memorial for one of their “Clean Across America” high profile jobs. This is something the PWRA could look into doing a high profile “Give Back” job to go along with your typical give back jobs. Good publicity and fun to participate in 
Volunteers to powerwash Lincoln and Jefferson Memorials
Yes and on a sidebar note the PWNA cleaned the Lincolm memorial for one of their “Clean Across America” high profile jobs. This is something the PWRA could look into doing a high profile “Give Back” job to go along with your typical give back jobs. Good publicity and fun to participate in Volunteers to powerwash Lincoln and Jefferson Memorials
