Used very little in most localities but ducks, geese, and 
shorebirds feed extensively in flats that are flooded in the 
fall and winter. 
10. Saline Marshes. (See preceding map) 
Soil normally waterlogged during the growing season; often with 
as much as 2 feet of water. 
Located in the Great Basin, the northern Great Plains, and else-~ 
where in the arid parts of the West, mostly in shallow lake 
basins, 
Vegetation mainly of alkali or hardstem bulrushes, often with 
wigeongrass or sago pondweed in openings. 
Used much by nesting and feeding ducks, geese, and Franklin gulls; 
and some by feeding shorebirds and occasional other birds, 
11. Open Saline Water. (See preceding map) 
Water of variable depth, 
Located in the Great Basin, the northern Great Plains, and else- 
where in the arid parts of the West, 
Vegetation (mainly at depths less than 6 feet) of aquatics such 
&@s sago pondweed, wigeongrass, and muskgrasses, 
Used much by feeding ducks and geese wherever vegetation is 
plentiful. 
CCASTAL FRESH ARHAS 
12. Shallow Fresh Marshes, 
soil always waterlogged during 
the growing season; may be 
covered at high tide with as 
much as 6 inches of water, 
Located on the Atlantic, Gulf, 
and Pacific coasts, on the 
landward side of deep marshes 
along tidal rivers, sounds, 
and deltas, 

Coastal fresh shallow marshes; Type 12. 
