Koliganek, Alaska, United States


Blue sap was found on a spruce tree.


See Also

View on Map

Blue Stain, Also Called Sap Stain | Summer 2009 | Articles

/ 26 May 2009 / Virginia Barlow

Most loggers are well aware of the perils of blue stain. If freshly cut logs are left for any length of time in the summer months, one of the many… This conte