This line of palm trees on Ivy Hill is all that remains of Arbor Villa, a mansion built in the 1890s by Francis Marion “Borax” Smith. Smith mined borax and transported it from Death Valley to a nearby train station by 20 mule teams. He used the mule teams to brand and advertise his product. After amassing a fortune in mining, he later developed the extensive Key System transportation system connecting the East Bay cities and San Francisco. The mansion was demolished after Smith's death in 1931. Smith is buried on Millionaire's Row in Mt. View Cemetery. Our afternoon skies remain clear and I'm linking to Skywatch Friday.