|Gravel Beach, SW Alaska.||
Sandy Beach and incoming waves, Central California
|Oblique incoming waves causing longshore drift, Oregon.|
|Sandy beach and nearshore. SW Florida.||Beach at mouth of Salmon River, Oregon.|
A more detailed explanation of sedimentological features associated with shallow-marine environments can be found here.
Source: Marli Bryant Miller, Department of Earth Sciences, University Of Oregon, Eugene, Oregon, USA