Green, Jeffrey A2017-06-232017-06-232017https://hdl.handle.net/11299/188564Annotated by: Jeffrey A Green. 24k USGS topo map containing dye input points, dye vectors and spring where dye was detected. May also contain spring survey information. Names and phone numbers of property owners have been redacted.enWykoff USGS 24k DRG Topo MapMap