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New Mineral Manure for Clover, 



Read December 9th, 1806. 



Having been shewn by Dr Woodhouse a small quan- 

 tity of a mineral substance, which had been brought for 

 his examination from New Jersey, by Josiah Reeve, of 

 Evesham, I ^vrote to the latter and requested all the in- 

 formation in his power to give, on the subject of the qua- 

 lities of the substance, and received the following an- 

 swer, J. Mease. 



Rancocas Creek j Wth mo, 20th^ 1806. 



Respected Friend^ 



I received thy letter dated the 18th of June last, and 

 should have answered it sooner, but wished to take 

 some time to make further observations, as well as to. 

 gain information from my neighbours and from some 

 others at a distance. The black sulphuric substance 

 by us called marie, is found in great abundance through 

 most parts of the country, in a north east and south west 

 direction, from the head waters of Crosswick's Creek, 

 in Burlington County, along on the upper part of nearly 

 all the creeks from thence to the southern part of Glou- 

 cester county; we find it in the banks of the streams, 

 and in most places at the bottom of many of our wells, 

 and it often spoils the water. On my farm, and through 

 our neighbourhood, it abounds near the surface in the 

 meadows, and generally in the banks or hill sides, about 

 from 4 to 6 feet below the surface ; the depth I cannot 

 from experience say much about, but from the obser- 



