NEW CEDARHURST DIAMOND. Cedarhurst, L. May 20 Contract for grading the hew baseball grounds of the Cedarhurst Field Club has been awarded to Thomas J. Sanderson Son of Lawrence. The grounds are situated on Fifth avenue, between Rockaway turnpike and Washington avenue. A foot and bicycle track will surround the diamond. The first baseball game will be played on Decoration Day. The team is under the management of Thomas Brown.