A more thorough explanation:

A Land Department is a government agency responsible for managing and regulating public land. This can include determining ownership, transfer of ownership, and other factual matters related to land use.

For example, the federal Land Department in the United States is the General Land Office, which is headed by the Secretary of the Interior. This agency oversees the management of public lands, including national parks, forests, and other federally owned land.

Another example of a Land Department is a state agency that manages public lands within that state. For instance, the California Department of Parks and Recreation manages state parks and other public lands in California.

Overall, Land Departments play an important role in ensuring that public lands are properly managed and protected for the benefit of all citizens.