Grinding tree trunks and limbs at the City Tree Dump, located at 410 Hereford Avenue, Raton, NM, until the stockpile of trunks and limbs is depleted, or the billable grinding and applicable taxes reaches $59,90, whichever comes first. Contractors will furnish their own equipment which requires a tub grinder or horizontal grinder in good working order and capable or processing large tree trunks and limbs, and an experienced operator. Size of screened materials will be 4 square inches with a maximum thickness of one-half of an inch. Contractor shall be required to provide any wheel loaders or forestry equipment necessary to feed the grinder. These pieces of equipment will be considered incidental but necessary to the grinding operation.