(Copper alloys) can be archaeological.Logical formLearned from4 sentences. A coverage can be archaeological.Logical formLearned from4 sentences. Textbooks can be archaeological.Logical formLearned from4 sentences. A (field training) can be archaeological.Logical formLearned from4 sentences. (Field investigations) can be archaeological.Logical formLearned from4 sentences. A (treatment plan) can be archaeological.Logical formLearned from4 sentences. (Site surveys) can be archaeological.Logical formLearned from4 sentences. An archaeological site can be on a river.Logical formLearned from4 sentences. A range can be constituted-of-or-filled-with archaeological evidence.Logical formLearned from4 sentences. A (detective story) can be archaeological.Logical formLearned from4 sentences. Facilities can be archaeological.Logical formLearned from4 sentences. Some archaeological sites can be in a region.Logical formLearned from4 sentences. Archaeological sites may undergo investigations.Logical formLearned from4 sentences. (Field seasons) can be archaeological.Logical formLearned from4 sentences. Persons may visit archaeological sites.Logical formLearned from4 sentences.