The government will initiate a process of

Accession involves the addition of property or rights to an existing property, often through the natural processes or improvements made by the owner. This process does not relate to the government's power to take property but rather refers to enhancing ownership, making it irrelevant to the context of government action described in the question.

Negotiation typically involves discussions between parties to reach an agreement, often seen in business and contractual contexts. While negotiations may occur in the context of property acquisition, they are not a formal process initiated by the government when condemning property, which is a more unilateral action.

Escheat is a legal doctrine that allows the state to claim property when an owner dies without a will or legal heirs. This process does not involve the government taking property for public use; instead, it pertains to unclaimed or abandoned property, making it unrelated to the government's condemnation process.