General Technical Terms

Township

Townships: The Grid That Defines the Land

The term "township" in general technical terms refers to a specific unit of land measurement and organization, particularly important in surveying and land ownership. It's a key element in the Public Land Survey System (PLSS), a grid-based system used in much of the United States to divide and identify land.

Understanding the Grid

Imagine a giant chessboard laid across the landscape – that's essentially what the PLSS is. This system divides land into:

  • Townships: Each township is a square, measuring six miles (9.6 kilometers) on each side, containing 36 square miles (93 square kilometers) of land.
  • Ranges: These are vertical strips of land, running north-south, and each range is six miles wide.
  • Sections: Each township is further divided into 36 individual sections, each being a square mile (2.6 square kilometers).

Locating a Specific Point: The Key to Land Ownership

To pinpoint a specific piece of land, the PLSS uses a combination of these components:

  • Township: This tells you the general area within the grid.
  • Range: This specifies the vertical location within the grid.
  • Section: This identifies the specific one-square-mile area within the township.

For example, a well located in Section 10, Township 2 North, Range 1 West, would be found in a square mile area within a township located two townships north of the baseline and one range west of the principal meridian.

Beyond the Basics: Describing Smaller Units

The PLSS doesn't stop at the section level. Each section is further divided into:

  • Quarter Sections: Each section is divided into four quarter sections, each being 160 acres (0.65 square kilometers).
  • Quarter-Quarter Sections: Each quarter section can be divided into four quarter-quarter sections, each being 40 acres (0.16 square kilometers).

The Importance of Townships in Well Location

Knowing the township, range, and section of a well is crucial for:

  • Land ownership: These details help establish property boundaries and ownership rights.
  • Well management: Information about the well's location is vital for maintenance, monitoring, and ensuring proper disposal of wastewater.
  • Resource management: Understanding the spatial distribution of wells can help manage groundwater resources effectively.
  • Environmental protection: This data is essential for preventing contamination of groundwater and ensuring sustainable water use.

The Legacy of the PLSS

The Public Land Survey System has been a cornerstone of land management in the United States for centuries. It provides a standardized way to identify and describe land, which is essential for property transactions, legal matters, and resource management. The township remains a fundamental unit within this system, ensuring clarity and organization in land use and ownership.


Test Your Knowledge

Quiz: Townships - The Grid That Defines the Land

Instructions: Choose the best answer for each question.

1. What is the primary purpose of the Public Land Survey System (PLSS)?

a) To create a uniform method for measuring and describing land in the US. b) To ensure fair land distribution during the westward expansion. c) To map the natural resources found in different regions. d) To establish standardized building codes for different land areas.

Answer

a) To create a uniform method for measuring and describing land in the US.

2. How large is a single township in the PLSS?

a) 1 square mile b) 36 square miles c) 6 square miles d) 160 acres

Answer

b) 36 square miles

3. Which of the following is NOT a component used to locate a specific piece of land within the PLSS?

a) Township b) Range c) County d) Section

Answer

c) County

4. What is the smallest unit of land measurement used within the PLSS?

a) Quarter section b) Quarter-quarter section c) Section d) Township

Answer

b) Quarter-quarter section

5. Why is the location of a well important in terms of the PLSS?

a) It helps identify the well's owner. b) It helps manage groundwater resources. c) It helps prevent contamination. d) All of the above.

Answer

d) All of the above.

Exercise: Locating a Well

Instructions: A well is located at Section 16, Township 3 South, Range 2 East.

1. Using the information above, describe the well's location in relation to the baseline and principal meridian.

2. Explain how the well's location can be important for managing groundwater resources.

Exercice Correction

1. The well is located three townships south of the baseline and two ranges east of the principal meridian. It is located within Section 16 of that specific township.

2. Knowing the well's location within the PLSS grid helps determine its proximity to other wells, potential sources of contamination, and the overall groundwater flow patterns in the area. This information is crucial for managing water extraction rates, preventing over-pumping, and protecting water quality.


Books

  • "The Public Land Survey System: A Guide to Its History, Laws, and Procedures" by William A. Ganong: This book provides a comprehensive overview of the PLSS, including its history, legal framework, and practical applications.
  • "A Guide to the Public Land Survey System" by Bureau of Land Management: Published by the U.S. Bureau of Land Management, this book offers a practical guide to the PLSS, covering key concepts and procedures.
  • "Land Survey Principles and Practice" by Charles H. Hunter: This textbook covers various aspects of land surveying, including a dedicated chapter on the PLSS, its principles, and applications.
  • "The History of the Public Land Survey System" by Carl F. Oppermann: This book provides a detailed historical account of the PLSS, highlighting its development and significance in shaping land ownership and management.

Articles

  • "Understanding the Public Land Survey System" by John C. Stokoe, Professional Surveyor: This article provides a clear explanation of the PLSS, its components, and their applications.
  • "The Public Land Survey System: A Legacy of Order and Efficiency" by Bureau of Land Management: This article highlights the historical significance and enduring legacy of the PLSS in shaping land management and infrastructure development in the U.S.
  • "The Public Land Survey System: An Essential Tool for Land Management" by American Society of Civil Engineers: This article explores the various applications of the PLSS in modern land management, emphasizing its importance for environmental protection, resource management, and infrastructure development.

Online Resources

  • Bureau of Land Management (BLM): The BLM website contains valuable information about the PLSS, including maps, historical data, and resources for understanding its application. (https://www.blm.gov/programs/cadastral-survey)
  • National Geodetic Survey (NGS): The NGS website provides data and resources related to geodetic surveying, including information about the PLSS. (https://www.ngs.noaa.gov/)
  • Public Land Survey System (PLSS) Online Resources: Several websites offer interactive maps, tools, and resources dedicated to the PLSS, allowing users to explore land ownership, historical data, and other relevant information.

Search Tips

  • Use specific keywords: "Public Land Survey System," "Township," "Range," "Section," "Land Ownership," "Land Management."
  • Combine keywords: "PLSS and well location," "PLSS and environmental protection," "PLSS and property boundaries."
  • Use quotation marks: "Township and Range" will return results with this exact phrase.
  • Use "+" for required terms: "Public Land Survey System + history" will only return results containing both terms.
  • Use "-" to exclude terms: "PLSS - Canada" will exclude results related to Canada.

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