yrammy
Member
The library has received a book from the Brazilian Speleological Society (in Portuguese) ISBN 978-85-64130-07-4 called in English Environmental Practices Guide For mining In Karst Areas. This book is also available to download free here
www.cavernas.org.br/GUIA_MINERACAO_CARSTICAS.asp
Thanks
Mary
www.cavernas.org.br/GUIA_MINERACAO_CARSTICAS.asp
Thanks
Mary