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DCNR Names New District Forester at Tiadaghton State Forest District

Harrisburg, PA - Today, Department of Conservation and Natural Resources Secretary Cindy Adams Dunn announced the appointment of Thomas Casilio as district forester of the Tiadaghton State Forest District, based in Lycoming County.

“Tom’s command of forestry topics, public relations skills, and respect of his coworkers all equate to solid future leadership for the Tiadaghton State Forest District,” said Dunn. “Throughout his 18 years of service with the bureau, his managerial talents shined, regardless of the position.”

Casilio will oversee a district headquartered in Waterville, Lycoming County, that also includes Tioga, Potter, Clinton, and Union counties. State forestland within the district totals 146,539 acres, and is home to numerous clean, fast-moving mountain streams, including the legendary Pine Creek and Slate Run. Named for a Native-American term originally describing Pine Creek, Tiadaghton is one of eight state forests located in the Pennsylvania Wilds region.

“I am honored to be chosen to be the district forester for the Tiadaghton Forest District,” Casilio said. “I was raised in this area and have spent many years recreating and working within the forest. I look forward to the challenges and rewards of working closely with the staff, community members and stakeholders.”  

A native of Lock Haven, Clinton County, graduated from The Pennsylvania State University with a bachelor’s degree in forest science. Earlier, he obtained an associate’s degree in forest technology from Pennsylvania College of Technology.

He began his career in the Bureau of Forestry in 2000 as a forest technician in the Susquehannock State Forest District, then transferred into the same role at Tiadaghton. In 2002, he was promoted to forester, a role he performed for six years, with primary focus on contributing to the district’s timber sale program.

Casilio again was promoted to the assistant district forester post in 2008, where he led forest operations, public contact, and oil and gas management programs for the district. Through this period the district realized significant change, including construction of a new resource management center and relocation from the former South Williamsport office; continued growth and operation of the Pine Creek Rail Trail; and establishment and expansion of one of the bureau’s most active gas leasing programs.

The new district forester will oversee forest-growth management, personnel coordination, infrastructure maintenance, recreation, and fire prevention and suppression at Tiadaghton. He also will manage service foresters who provide support, direction and technical assistance to private forest landowners. Casilio, 45, succeeds Jeff Prowant, who in retired in late 2017.

Casilio resides in Lock Haven with his wife, Mary, and two children.

For more information on Tiadaghton and Pennsylvania’s 19 other state forest districts, visit DCNR's state forests web page.

MEDIA CONTACT: Terry Brady, 717-705-2225;


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