308 THE HYDROGRAPHY OF CALVERT COUNTY 



and is general!}^ in farm ]ancls. One water-power development on a 

 tributary of this creek has been reported to the Census, viz., at Clianoy- 

 ville, where 10 horse-power are used. No measurements of flow have 

 been made. 



LYONS CREEK. 



This creek rises in Anne Arundel County, flows westerly, forming 

 the northern boundary of Calvert County for nearly half of its length 

 and empties into the Patuxent Eiver, draining a total area of 21 square 

 miles. Its basin is very similar to that of Hall Creek, which lies just 

 to the south of it. The Census has no report of water-power utilized 

 on this stream. No measurements of flow have been made. 



ST. LEONARD CREEK. 



This stream lies in the southern part of the county, flows southerly 

 through several miles of tidal estuary and empties into the Patuxent Eiver. 

 The total drainage area is 32 square miles. In the upper part of its 

 course the slopes are good and one water-power development has l^een 

 reported to the Census, viz., at St. Leonard, where 35 horse-power are 

 utilized. No measurements of flow have been made. 



Other streams in the countv with the areas of their basins are stated 

 below : 



Nearly all these are tidal in the lower portions of their courses with 

 good slopes above tide water. 



