Cold weather causes needle ice to grow out of ground in Sierra foothills – SFGate

http://m.sfgate.com/news/article/needle-ice-freezing-temperatures-Sierra-foothills-10806540.php?utm_source=Essential+California&utm_campaign=793b31d840-EMAIL_CAMPAIGN_2016_12_12&utm_medium=email&utm_term=0_6e35f7f85b-793b31d840-79674053