Groundwater legistation in the ECE region. 

 - New  York Govt. Publication. UN      1986 
 - Various paginations  cm. 
<br/><br/><label>Standard No.: </label>2672 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HYDROLOGY
<br/><br/><label>Dewey Class. No.: </label>"U22:(Z).5.N8, M6/UN"