We are glad to share with you the Volume 59-2 of the UIS Bulletin, the largest and most illustrated issue of the 66 bulletins published since the first one in 1970.

Enjoy the content of it’s 123 pages!

The PDF Interactive format can be downloaded by clicking on the link:

http://www.uis-speleo.org/downloads/uis-bulletins/uisb592.pdf

Previous issues are also available by clicking on the link:

http://www.uis-speleo.org/index.php?option=com_content&view=article&id=81&Itemid=408