American Red Cross Blood Drive The American Red Cross will be hosting a blood drive at Jefferson County Library Arnold Branch Thursday August 4, 2022, from 1:00 p.m. - 5:00 p.m. Located in the Community Room. To make an appointment, please call 1-800-RED CROS (1-800-733-2767) or visit redcrossblood.org; enter Sponsor code: JeffcoLibraryArnold. Walk-ins welcome, appointments take priority. All donors must present a photo ID.