Register of Historic Places in 1981. 15 The United States Forest Service appropriated a total of 1,500 and agreed to survey and build the trail in addition to the lookout on Larch Mountain. National Register of Historic Places in 1981. 1915 Beginning in 1884, the Oregon Railway and Navigation Company operated a stop at Multnomah Falls on their railway, which spanned from Portland to Pasco, Washington ; this stop continued to operate until World War II, 18 and included. Retrieved August 28, 2012.