The rectangular government survey system is the correct choice because it employs a grid system to identify land parcels, using principal meridians and base lines as the foundational reference points. Each principal meridian serves as a north-south reference line, and land is surveyed in townships and sections based on this system. The use of principal meridians is a hallmark characteristic that distinguishes rectangular government surveys from other methods of legal land description. In contrast to the rectangular survey, metes and bounds describe properties using physical features and distances without referencing a grid or meridian system. Lot and block descriptions are based on recorded subdivision plats and provide a more simplified reference using lots and blocks rather than geographical coordinates or meridians. Survey plats depict the layout of a specific parcel of land but do not inherently include the concept of a principal meridian. Thus, the rectangular government survey uniquely identifies properties by noting the principal meridian, making it the relevant answer.

Courts prefer the lot and block legal description for its clarity because it provides a straightforward reference to specific parcels of land within a recorded subdivision. This system relies on a subdivision plat, which is a map that illustrates where each lot resides in relation to streets and other lots. Once a plat has been filed, lot numbers and block numbers become easily understood by anyone looking to identify property boundaries, making it simple to locate and reference in legal contexts. This clarity is particularly beneficial in urban and suburban settings where subdivisions are common, as it minimizes potential disputes and confusions about property lines. Lot and block descriptions are well-structured, allowing for efficient navigation through legal documents and facilitating easier transactions. Other legal descriptions, such as metes and bounds, can sometimes be more complicated and less clear, as they describe property boundaries based on distance and directions from identifiable landmarks, which may vary in interpretation. The rectangular survey system provides a methodical approach, especially in rural areas, but may lack the specificity that lot and block descriptions offer in developed regions. Surveyor's descriptions usually necessitate expert interpretation and may not be as easily understood by the general public or involved parties.

In the rectangular government survey system, a section is defined as a square piece of land that occupies one mile on each side, totaling 640 acres. This system is designed to create a clear framework for mapping and describing land in the United States, particularly in the west, allowing for straightforward division and conveyance of property. Each township, which is 36 square miles, is divided into 36 sections, with each section representing one square mile. This consistency in measurement makes it easier to identify and manage land parcels in real estate transactions.

The best course of action for Kellan and Stacy to resolve their property boundary dispute is to obtain a second survey. A second survey can provide an accurate and impartial measurement of the property boundaries, clarifying any discrepancies that may exist between their understanding of the boundary and what is legally established. This objective information can often help resolve disputes without escalating to further conflict. Obtaining a second survey allows both parties to have a clear, factual basis for discussion and negotiation, which can facilitate resolution. Having professional and precise data on boundaries can significantly mitigate misunderstandings and can be used in negotiations or legal proceedings if needed. This step is often critical before resorting to more confrontational measures, such as legal action, which can be costly and time-consuming. While mediation and direct negotiation can be effective in some cases, they may not resolve the fundamental issue of unclear boundaries. Relying solely on negotiations without clear data may lead to a stalemate. Taking the dispute to court tends to be a last resort due to its expense and potential for further entrenchment in conflict, making the second survey the most constructive first step in resolving their dispute.