Fossils: professionals and amateurs can cooperate.
Hughes
Nigel
N
D000818:Animals; D003299:Cooperative Behavior; D005580:Fossils; D009144:Museums; D019021:Natural History; D010163:Paleontology / Q000191:economics; D012108:Research Personnel / Q000191:economics / Q000592:standards*; D014481:United States; D000078329:Workforce