What is one of the key measures used in the context of surveying and land division that relates to latitudinal measurements?

The nautical mile is a key measure in surveying and land division that specifically relates to latitudinal measurements. It is defined as one minute of latitude along any meridian, which makes it particularly significant for navigation and mapping at sea. The nautical mile's relationship to the Earth's curvature allows it to be a crucial reference for maritime and air navigation, where precise positioning is essential.

While other units, such as the decimal foot and chain, are commonly used in land surveying, they do not have the same direct connection to latitudinal measurements as the nautical mile does. The meter, though an important unit of measurement in the metric system, does not have the same navigational context as the nautical mile within the realm of surveying. Therefore, the nautical mile stands out as the correct answer when discussing latitudinal measures in relation to surveying and land division.