RANGELEY – The Sunday nature program at the Orgonon property on the Dodge Pond Road for Sunday, Aug. 12, will be tree identification, presented by Peter Johnson.

Johnson is a graduate of the University of Maine at Orono and has a degree in forestry. He has been employed as a forester for Seven Islands for 20 years. He is a native of Connecticut and has been a resident of Rangeley for 20 years. Johnson has been a presenter at Orgonon previously.

Those attending will meet at the outdoor classroom at 2 p.m. to walk some of the trails on the Orgonon property, rain or shine.

The Observatory building details the life and work of physician/scientist Wilhelm Reich, whose interest in the natural environment led to the introduction of the natural science program in 1989. The observatory is open from 1 to 5 p.m. Wednesday through Sunday in July and August, 1 to 5 p.m. in September Sundays only. The adult admission is $6; children under 12, free. The Sunday nature programs are free.

The natural science program is funded by individual donors and a grant from the Wing-Benjamin Trust.