 | Massachusetts. State Board of Health - 1909 - 1158 стор.
...the quantity of water wasted have been kept by the Boston water board and by the Metropolitan Water Board, and these quantities have been deducted from...watersheds has also been deducted from the watershed area at Lawrence, so that the net area was 4,570 square miles up to March 1, 1898, at which time the Nashua... | |
 | 1909 - 960 стор.
...the quantity of water wasted have been kept by the Boston water board and by the Metropolitan Water Board, and these quantities have been deducted from...watersheds has also been deducted from the watershed area at Lawrence, so that the net area was 4,570 square miles up to March 1, 1898, at which time the Nashua... | |
 | Massachusetts - 1910 - 1360 стор.
...the quantity of water wasted have been kept by the Boston Water Board and by the Metropolitan Water Board, and these quantities have been deducted from...watersheds has also been deducted from the watershed area at Lawrence, so that the net area was 4,570 square miles up to March 1, 1898, at which time the Nashua... | |
 | Massachusetts. State Dept. of Health - 1917 - 598 стор.
...above which place the river has a total watershed area of 4,663 square miles, which includes 118 l square miles on the South Branch of the Nashua River,...year. 1 Including 9.35 square miles from which water U drawn for the supply of the city of Worcester. MONTH. 191S. mi. 1915. 1916. Mean for Twenty Years,... | |
 | 1914 - 1278 стор.
...1,081,000 Average for driest six month**. 271,000 201,000 327,000 210,000 318,000 532,000 Water Board, aud these quantities have been deducted from the flow...watersheds has also been deducted from the watershed area at Lawrence, so that the net area was. 4,570 square miles up to 1898, at which time the Nashua River... | |
 | Massachusetts. State Board of Health - 1915 - 806 стор.
...small in the dry months. Records of the quantity of water wasted are kept by the Metropolitan Water Board, and these quantities have been deducted from...Lawrence, so that the net watershed area above that point is 4,452 square miles. 1 Including 9.35 square miles from which water is drawn for the iupply of the... | |
 | 1916 - 856 стор.
...square miles tributary to Lake Cochituate, or a combined area of 211 * square miles from which water \S drawn at the present time for the supply of the Metropolitan...year. 1 Including 9.35 square miles from which water it drawn for the supply of the city of Worcester. MONTH. 1912. 1913 1914. 1915. Mean for Nineteen Years,... | |
 | 1918 - 488 стор.
...areas have also been deducted from the total drainage area above Lawrence, so that the net drainage area above that point was 4,567 square miles in 1880,...year. 1 Including 9.35 square miles from which water is drawn for the supply of the city of Worcester. Mean for Twenty-one Years. 1897-1917. MONTH. 1915.... | |
 | Massachusetts - 1921 - 588 стор.
...these three drainage areas have been deducted from the total above Lawrence, so that the net drainage area above that point was 4,567 square miles in 1880,...inclusive, and 4,452 square miles since the latter year. The average flow of the Merrimack River during the year 1918 amounted to 1.198 cubic feet per second,... | |
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The flow as measured at Lawrence includes the water wasted from these three watersheds, which, in the wet months of the year, is very considerable, but which becomes very small in the dry months. Records of the quantity of water wasted have been kept... 