This phrase identifies a selected entity doubtless situated in a selected metropolis and state. The parts counsel a enterprise, group, or presumably people related to the locality of Quincy, Illinois. Evaluation of every aspect factors towards a correct noun development, with “Duker and Haugh” functioning as a compound noun designating the entity’s identify, and “Quincy, Illinois” appearing as a locative noun phrase specifying its geographic placement.
The relevance of this identifier stems from its position in pinpointing a topic inside a broader geographic space. Understanding the situation helps to contextualize the topic, enabling focused analysis, whether or not it includes exploring native enterprise exercise, historic information, or neighborhood demographics. The conjunction of the identify with the situation ensures the correct identification of a single supply.