To deny entry to Federal lands to persons found guilty of spiking trees on Federal lands, to increase the penalty for tree spiking, to make it illegal to spike trees on non-Federal lands, and for other purposes.

[AI summary unavailable — showing source text] Denies entry to Federal lands to persons found guilty of spiking trees on such lands. Amends the Federal criminal code to increase fines and terms of imprisonment for tree spiking. Sets forth criminal penalties for placing hazardous or injurious devices on non-Federal lands to obstruct or harass timber harvesting. Specifies that provisions concerning tree spiking or other hazardous or injurious devices to obstruct timber harvesting do not affect the extraction of renewable materials from trees or any tree stand, platform, or man-made support intended for recreational or hunting purposes. Directs the Attorney General to pay rewards of up to $5,000 for information leading to a conviction with respect to a violation under this Act.…