sentences:  He rode with all haste to North Beach, took a boat for Sausalito, and thence put distance behind him on fast horses in relay until he reached his retreat in Sonoma.He found it discreet to remain some time in the country before venturing to return to the city.At the time, the Market Street right-of-way was blocked by a sixty-foot sand dune where the Palace Hotel is now (at the intersection with New Montgomery), and a hundred yards further west stood a second sandhill nearly ninety feet tall.