Science, Volume 23John Michels (Journalist) American Association for the Advancement of Science, 1894 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 152
... river . This conclusion seems to fellow logically from the premises that all rivers exert a sapping as well as a corrading action ; or , in other words , that they tend to erode laterally as well as vertically . To produce these special ...
... river . This conclusion seems to fellow logically from the premises that all rivers exert a sapping as well as a corrading action ; or , in other words , that they tend to erode laterally as well as vertically . To produce these special ...
Page 160
... river may apparently continue without showing any signs of improvement , the improvement being masked by the addition of pollution at various places . It is very seldom that in these discussions this factor has been taken into account ...
... river may apparently continue without showing any signs of improvement , the improvement being masked by the addition of pollution at various places . It is very seldom that in these discussions this factor has been taken into account ...
Page 161
... River by sewage , much of which contamination takes place many miles above the intake . The Merrimac River is polluted by sewage at many points along its course , especially at the cities of Concord , Nashua , Lowell and Lawrence ...
... River by sewage , much of which contamination takes place many miles above the intake . The Merrimac River is polluted by sewage at many points along its course , especially at the cities of Concord , Nashua , Lowell and Lawrence ...
Contents
Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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