; (2) by inserting after the subsection header the following: (1) Easement restoration The Secretary is authorized to restore appropriate vegetative cover, hydrological functions, and other functions and values of the land subject to a floodplain easement acquired under subsection (a). (2) Easement maintenance The Secretary is authorized to monitor, maintain, and enhance appropriate vegetative cover, hydrological restoration measures, and other restoration measures on land subject to a floodplain easement acquired under subsection (a). (3) Contracts and agreements In carrying out paragraphs (1) and (2), the Secretary may— (A) enter into contracts with landowners; and (B) enter into agreements with States, nongovernmental organizations, and Indian Tribes. (4) Compatible use authority The Secretary may authorize a landowner to carry out activities on land subject to a floodplain easement acquired under subsection (a) that are— (A) compatible uses necessary to carry out paragraph (1) or (2); or (B) compatible economic uses (including such activities as hunting and fishing, managed timber harvest, water management, or periodic haying or grazing) if such uses are consistent with the long-term protection of the floodplain functions and values for which the easement was acquired.