WELL CONSTRUCTION. An artesian well 300 feet deep, has just been finished by Elisha Gregory, of 60 Liberty street. New York. It was drilled for a new company, of which W. H. Schmidt, town treasurer of West New York is a member. It is stated that the company proposes erecting an ice plant in the vicinity of the well, which is on the Palisades. N. J. The flow of the well is very satisfactory. It was drilled all through trap rock in three months. Mr. Gregory has also drilled a well for Mr. Garrett Brown, Port Chester, N. Y , through granite rock. It yields more than fifty gallons per minute; is 500 feet deep, and eight inches in diamtter. T his well is also intended for an ice plant and it took three months to complete.