Herngreen, G. F. W. <br/><br/>
An upper Senonian Pollen Assemblage of Borehole 3-PIA-10-AL State of Alagos, Brazil / 
by G. F. W. Herngreen. 
 - Haalerm:  Geological Survey of the Netherlands,  1973. 
 - 40 pages:  illustrations;  25 cm. 
<br/><br/>n.1. An upper Senonian Pollen Assemblage of Borehole 3-PIA-10-Al State of Alagos, Brazil. 2. Plynology of Albian-Cenomanian Strata of Borehole 1-QS-1-MA, State of Maranhao, Brazil. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Palynology.<br/>Excavations (Archaeology).