ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Nitrate-nitrogen was determined in 210 limestone samples from quarries throughout Wisconsin. Major geological formations sampled were Niagara (Silurian), Galena Black River (Ordovician), Lower Magnesian (Ordovician), and Men-dota (Cambrian) dolomites. Determinations were made with the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/229042a0
Permalink