In a rectangular survey legal description, 'T2N, R3W, Section 15' means the property is located:
Correct Answer
B) 2 townships north and 3 ranges west of the intersection of the principal meridian and base line
In the rectangular survey system, township and range designations are measured from the intersection of the principal meridian (north-south line) and base line (east-west line). T2N, R3W means 2 townships north and 3 ranges west of this intersection point.
Why This Is the Correct Answer
Option B correctly identifies that township and range measurements originate from the intersection of the principal meridian and base line, which serves as the fundamental reference point for the entire rectangular survey system. T2N means the township is located 2 townships (12 miles) north of the base line, while R3W means it's 3 ranges (18 miles) west of the principal meridian. This intersection point is the zero point from which all measurements in that particular survey system are calculated.
Why the Other Options Are Wrong
Option A: 2 townships north and 3 ranges west of the point of beginning
Option A incorrectly refers to a 'point of beginning,' which is terminology used in metes and bounds descriptions, not rectangular survey descriptions. The rectangular survey system uses the intersection of principal meridian and base line as its reference point, not a point of beginning.
Option C: In the 2nd tier north and 3rd row west
Option C uses incorrect terminology by referring to 'tier' and 'row' instead of the proper terms 'township' and 'range.' While tiers and rows might seem logical, these are not the standard terms used in rectangular survey legal descriptions.
Option D: 2 miles north and 3 miles west of Section 15
Option D incorrectly suggests the measurements are from Section 15, when in fact Section 15 is part of the property description being located. The measurements (T2N, R3W) locate the entire township, and Section 15 identifies the specific section within that township.
Principal Meridian & Base Line Intersection (PMBI)
Remember 'PMBI' - Principal Meridian & Base line Intersection. Think of it as the 'home base' or 'ground zero' for all rectangular survey measurements. Just like a coordinate system in math class starts at (0,0), the rectangular survey starts at the PMBI.
How to use: When you see township and range designations (T_N/S, R_E/W), immediately think 'PMBI' and remember that all measurements start from this intersection point, not from the property itself or any other reference point.
Exam Tip
Look for key words in rectangular survey questions: 'principal meridian,' 'base line,' and their 'intersection.' Eliminate any answer choices that mention 'point of beginning' (metes and bounds) or use incorrect terminology like 'tier' and 'row.'
Common Mistakes to Avoid
- -Confusing 'point of beginning' (metes and bounds) with principal meridian/base line intersection
- -Thinking measurements start from the property location rather than the survey system's origin point
- -Using incorrect terminology like 'tier' and 'row' instead of 'township' and 'range'
Concept Deep Dive
Analysis
This question tests understanding of the rectangular survey system (also called the Public Land Survey System), which is the primary method of land description in most western and midwestern states. The system creates a grid pattern using principal meridians (north-south lines) and base lines (east-west lines) as reference points. Townships are 6-mile square areas measured north or south from the base line, while ranges are 6-mile wide strips measured east or west from the principal meridian. Each township is further divided into 36 sections, each approximately one square mile.
Background Knowledge
The rectangular survey system was established by the Land Ordinance of 1785 to create an orderly method of dividing and describing public lands. Each state using this system has multiple principal meridians and base lines, creating separate survey grids within the state.
Real-World Application
When appraising property in rectangular survey states, appraisers must understand these legal descriptions to properly identify property boundaries and ensure they're appraising the correct parcel. The legal description helps establish the exact location and size of the property being valued.
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