Jan 24, 2013. /Lesprom Network/. Deltic Timber Corporation has scheduled a conference call at 10:00 a.m. Central Time on Thursday, February 28, to review 4Q results, which will be announced Wednesday, February 27, as the company said in a press release received by Lesprom Network. Deltic Timber Corporation is a natural resources company focused on the ownership and management of timberland.