
DIGITAL DATA RESOURCES 3
SEA & LAKES
Are in an ARC-INFO polygon coverage 					called WATERPOLY. In the INFO file 					waterpoly.pat there is an item called ISWATER. 
			
			FEATURE          ISWATER
			Sea                10
			Lake               10
			Land               1

Figure 6: The sea and the lake
RIVERS
Are in a vector ARC-INFO coverage called 
			RIVERLINE.

Figure 5: Rivers in Oakwood
FORESTS
An ASCII (text) data file describing a grid dataset 			of the treetypes in the area. This is in a format 			ready to import into ARC-INFO. It is called 				forest.dat . Grid code 5 is equal to Oak
			and 10 is equal to Pine.

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