Donate blood today by Sheet Staff in Arts and Life · Events Calendar — 25 Oct, 2012 Today, Oct. 25, is the last day of the Mammoth Lakes Blood Drive so don’t forget to head over to the Main Street Fire Station between 9 a.m. and 2 p.m. to help save a life! Share Topics: sheet — Sheet Staff This story was written by multiple authors whose names are below the header at the top of the page, or by The Sheet staff.