PS PS Public Land Survey System (PLSS) 2

Question 1

In the PLSS, what is the maximum allowable closing error for a standard township exterior as specified by the BLM Manual?

Accepted Answer

1:5,000 of the total perimeter

Answer

The BLM Manual of Surveying Instructions permits a closing error not exceeding 1 part in 5,000 for township exteriors.

Question 2

When retracing a PLSS survey, which original monument takes precedence over all others?

Accepted Answer

Original corners established by the government surveyor

Answer

Under the law of original survey, corners set by the original government surveyor are controlling and take precedence over all other evidence.

Question 3

What is the term for a monument placed on a meander line where it intersects a section line in the PLSS?

Accepted Answer

Meander corner

Answer

A meander corner is set at the intersection of a meander line with a township or section line to document the approximate location of a navigable waterway.

Question 4

In the PLSS, what procedure is used to re-establish a lost interior section corner when all four adjacent quarter-section corners are found?

Accepted Answer

Double proportionate measurement

Answer

Double proportionate measurement uses the four adjacent quarter-section corners to re-establish a lost interior section corner by proportioning in both latitude and departure.

Question 5

Which PLSS feature is used to correct for earth curvature and meridian convergence at regular intervals north of the baseline?

Accepted Answer

Standard parallels (correction lines)

Answer

Standard parallels (also called correction lines) are established every 24 miles north and south of the baseline to reduce the accumulated error from meridian convergence.

(PS) Professional Licensed Surveyor Practice Test

(PS) Professional Licensed Surveyor Practice Test

PS PS Public Land Survey System (PLSS) 2