ABSTRACT
21 ELIMINATION OF OCHRE DEPOSITS FROM DRAINPIPE SYSTEMS A . A B E L I O V I C H T h e J a c o b B l a u s t e i n I n s t i t u t e f o r D e s e r t R e s e a r c h , B e n - G u r i o n U n i v e r s i t y o f t h e N e g e v , I s r a e l
