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PHYSICAL GEOGRAPHY. 



ROCKINGHAM COUNTY. 



B. Portsmouth, J., 

 B. Newington, J., 

 B. Kingston, J., . 

 B. Hampstead, J., 

 B. Durham, J., 

 A. South Newmarket, . 

 A. West Epping, 



A. Northwood, 



B. Nottingham Square, J., 



L. Pelham, . 



A. Hollis, . 



A. Brookline, 



L. Greenville, 



L. New Ipswich, hay-scales, lower 

 part, . 



A. Thornton s Ferry village, 



L. East Wilton, . 



T. Antrim, middle of belfry win 

 dow in South church, 



T. Antrim, ridge-pole of brick ch., 



L. Greenfield, near hotel, 



L. Peterborough, 



NasJnta. Levelling for water-works. 

 Datum for city levels (low water in Merrimack river), 

 Main street, at city hall and at Worcester depot, 



Dam at Mine falls, 



Dam below Main Street bridge 



Reservoir of water-works, 



Pumping-station of water-works, ...... 



Pratfs hill, i miles south of city, 



Manchester. Levelling for water-works. 



Cistern of barometer, corrected from statement on page 144, . 



City hall door-step, 



Amoskeag base line (datum for city levels) , . 



Amoskeag Co. s reservoir, 



Lake Massabesic, 



Heights 

 in feet. 



494 



198 



62 



62 

 156 



96 

 358 



388 

 489 



620 



972 



826 



427 



733 

 770 



774 



720 



203 



319 



674 



93.1O 

 152 

 152 

 116 

 247 

 115 

 252 



235 



217 



108.98 



324 



256 



