• Origin and Development of a Snowflake Map https://waterdata.usgs.gov/blog/snow-tiles-demo/?ref=refind 4 comments 20/1/2023

• Cumberland river rises to over 50' from 17' in less than 24 hours flooding the 25th largest city in the US. http://waterdata.usgs.gov/nwis/uv?cb_00060=on&cb_00065=on&format=gif_default&period=7&site_no=034315005 27 comments 4/5/2010 science