Marshes Prograding in Oregon: Aerial Photographs

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Science  18 Dec 1964:
Vol. 146, Issue 3651, pp. 1575-1578
DOI: 10.1126/science.146.3651.1575


When nearly circular clumps of vegetation abound in aerial photographs of mud flats in estuaries in regions of temperate climate the indication is that the marsh is expanding rapidly.