Circular Level Vial
Display and Keyboard
Horizontal Circle Lock
Horizontal Circle Tangent Screw
Optical Plummet Eyepiece
Optical Plummet Lens Focus
Tribrach Leveling Screws
Vertical Circle Lock
Vertical Tangent Screw
1 rod=1 pole=1 perch=_____ft
1 acre=_____(with chains)
When computing coordinates, the sine of a line's azimuth multiplied by the line's length produces the line's _____.
When computing coordinates, the cosine of a line's azimuth multiplied by the line's length produces the line's _____.
Azimuths are always measured in a _____ direction.
A bearing can not be greater than ____ degrees.
There are ____ minutes in a degree.
The close agreement or consistency of a group of measurements is _____.
The most often or commonly occurring measurement in a group is called the ____.
How many square chains are in a 1 acre tract?
1 Square Mile =______acres
1 acre tract=______ square perches
A measured value that is as close to the true or theoretical value as possible is _____.
Setting the instrument over the wrong station is a ______.
A series of consecutive line's directly measured by angle and distance on the ground is a ______.
The distance formula
Standard Deviation Formula
First Quadrant Bearing to Azimuth Conversion:
Drop lettersEx. N 27° E27°
First Quadrant Azimuth to Bearing Conversion:
Add letters N EEx. 45°N 45° E
Second Quadrant Bearing to Azimuth Conversion:
Drop LettersSubtract from 360° (360°-bearing)Ex. N 35° W(360°-35°=325°) 325°
Second Quadrant Azimuth to Bearing Conversion:
Subtract from 360° (360°-azimuth)Add letters N WEx. 295°(360°-295°=65°) N 65° W
Third Quadrant Bearing to Azimuth Conversion:
Drop lettersAdd to 180° (180°+Bearing)Ex. S 65° W(180°+65°=245°) 245°
Third Quadrant Azimuth to Bearing Conversion:
Subtract 180° (azimuth-180°)Add the letters S WEx. 260°(260°-180°=80°) S 80° W
Fourth Quadrant Bearing to Azimuth Conversion:
Drop LettersSubtract from 180° (180°-bearing)Ex. S 25° E(180°-25°=155°) 155°
Fourth Quadrant Azimuth to Bearing Conversion:
Subtract from 180° (180°-azimuth)Add letters S EEx. 110°(180°-110°=70°) S 70° E
The abbreviation MSL stands for _________.
Mean Sea Level
A monument (e.g. brass disk) of known elevation is a _______.
The process of determining elevations or differences in elevations is called ________.
The wooden, calibrated (numbered) rod that is sighted is called a _________ rod.
When turning tribrach screws, the rule is that the level bubble follows the instrument operator's ___________.
The abbreviation EDM stands for ___________.
Electronic Distance Measurement
A normal section of land in a PLSS state contains ________.
Surveys that determine the location and elevation of natural and artificial features are _______ surveys.
The compass' tendency to point to the magnetic pole in Canada rather than the true north pole produces a horizontal angle between the two meridians which is called _______.
On a USGS topographic map, astronomic and magnetic north are shown in relation to the map orientation which is ________ north.
The abbreviation LEC stands for _______.
Linear Error of Closure
To find the azimuth of a line you use this formula:
The large books that were shown in class are called:
Tax Maps and/or Land Books/Indexes
A permanent object that marks a property corner, e.g. an iron pipe or a large tree is called:
A right given by grant, agreement, or deed which allows a person to use the land or another for a specific purpose such as a road or utility line, is an
Boundary Monuments are of two main types. They are
Natural and Artificial
The Doctrine of Adverse Possession is based on
The Statute of Limitations
A marked tree or object near a corner monument is called a
Term given to the manner in which rights to land are held in any given country
Land Tenure System
Three categories of Land Surveys:
1. Original Surveys
2. Retracement Surveys
3. Subdivision Surveys
A characteristic of a good Point of Beginning
Its identity is clear and certain in the field.
The name of the first century mathematician in Alexandria, Egypt, whose formula we use to find the area of a triangle is _______.