https://www.youtube.com/watch?v=peu7uMp0cVU
This video explains Magnetic Declination and how it relates to the use of a map and compass. I failed to mention in the video that declination changes over t

https://ngdc.noaa.gov/geomag/declination.shtml
Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north. Declination is positive east of true north and negative when west. Magnetic declination changes over time and with location. As the compass points with local magnetic fields, declination value is needed to obtain true north.. more.

https://en.wikipedia.org/wiki/Magnetic_declination
Magnetic declination (also called magnetic variation) is the angle between magnetic north and true north at a particular location on the Earth's surface. The angle can change over time due to polar wandering . Magnetic north is the direction that the north end of a magnetized compass needle points, which corresponds to the direction of the

https://www.timeanddate.com/geography/magnetic-declination.html
On a global scale, this causes vast, geographically irregular, and ever-shifting variations in the magnetic declination. On a world map, these variations are usually indicated by isogonic lines. These are lines showing areas sharing the same magnetic declination. Without these variations, the magnetic declination on the meridian south of the

https://www.khanacademy.org/science/electromagnetism/x4352f0cb3cc997f5:why-are-magnets-magnetic-and-why-are-other-things-not/x4352f0cb3cc997f5:magnetism-of-the-earth/v/magnetic-declination-earth-s-magnetism
Magnetic declination - Earth's magnetism. Magnetic declination at a point on earth is the angle between the earth's geographic & magnetic meridian at that point. Meridians can be thought of as great circles that pass through a point on earth and either the geographic or the magnetic poles. Created by Mahesh Shenoy.

https://www.geomag.nrcan.gc.ca/mag_fld/magdec-en.php
The secular variation of the magnetic field causes declination to change with time. Changes in declination can be quite large. At Yellowknife, NWT, for example, the declination is changing by more than one degree every three years.On the other hand, at Ottawa, the yearly change in declination is almost zero. The diagram shows the change in declination at several locations in Canada.

https://www.nwcg.gov/course/ffm/location/65-declination
Step 1. Look up the declination for Augusta, Maine, on a declination chart. Maine has a declination of 18°W. Step 2. Because 18°W is a westerly declination, remember "West is best" and that the magnetic = true + west. In this case, to solve for the true reading, we must subtract the declination from the magnetic bearing: true = magnetic - west.

https://www.ncei.noaa.gov/products/magnetic-declination
Magnetic declination (sometimes called magnetic variation) is the angle between magnetic north and true north. Declination is positive when this angle is east of true north and negative when it is west. Magnetic declination changes over time, and with location. Declination value is needed to determine true north, because compasses point toward magnetic north.

https://www.omnicalculator.com/physics/magnetic-declination
The magnetic declination calculator is based on the World Magnetic Model 2020 (WMM2020) C software provided by NOAA, written by Manoj C. Nair and Adam Woods, and adapted for Javascript by Jasmine J. Mah. The WMM2020 Coefficient file is valid for 2020.0 - 2025.0, and we have verified our calculator using the test values provided by the NOAA.

https://locationiq.com/glossary/magnetic-declination
Definition. Magnetic declination, also known as magnetic variation, is the angle between magnetic north and true north at a particular location. This angle can vary depending on the location and changes over time due to various factors. It is an important consideration for navigation and mapping, as it can affect the accuracy of compass

https://www.magnetic-declination.com/
Click on the map to find the magnetic declination at your location

https://www.survivalresources.com/magnetic-declination-demystified.html
Magnetic Declination Demystified. This video explains Magnetic Declination and how it relates to the use of a map and compass. We hope you enjoyed this video and will help support our efforts by checking out our products. As always, Be Prepared To Survive!

https://noaa.maps.arcgis.com/home/item.html?id=d38f95bd712547b4b607435ccfbadfc9#!
The magnetic declination at a given location also changes over time. This map displays historical isogonic lines calculated for the years 1590-2020. The modeled north and south magnetic poles (dip poles) are also shown, as well as observed pole locations. Switch to an Arctic or Antarctic polar view using the tabs on the right side of the map.

https://ngdc.noaa.gov/geomag/calculators/mobileDeclination.shtml
Activate sensors ... Latitude: S N Longitude:

https://clockwk.com/mag/
The difference between the direction the needle points and true north is called magnetic declination or variation. Both ternms, declination and variation, are in common use (though neither one is particularly descriptive). Variation is the normal term for mariners and navigators at sea. Declination is prefered by geologists and land surveyors

https://mdd.sharedgeo.org/
SharedGeo Magnetic Declination Diagram Service This free utility will generate a PNG or SVG file representing a properly formatted declination diagram for a specific map. Background In cartography, a declination diagram is used to provide a graphic representation of the variations between true north, grid north, and magnetic north on a map.

https://link.springer.com/chapter/10.1007/978-3-031-09476-7_3
2.1 Magnetic Declination. The magnetised needle of a compass aligns itself with the direction of the Earth's magnetic field, indicating the magnetic north. In most locations on Earth, the magnetic north differs from the true north, so magnetic declination, as defined previously, has to be taken into account. Magnetic declination varies

https://www.ncei.noaa.gov/maps/historical-declination/
NCEI Historical Magnetic Declination Viewer. Historical Magnetic Declination Viewer. NCEI Home › Maps and Geospatial Products › Geomagnetism; Zoom in. Zoom out. Reset map orientation

https://www.usgs.gov/publications/attempt-obtain-detailed-declination-chart-united-states-magnetic-anomaly-map
Modern declination charts of the United States show almost no details. It was hoped that declination details could be derived from the information contained in the existing magnetic anomaly map of the United States. This could be realized only if all of the survey data were corrected to a common epoch, at which time a main-field vector model was known, before the anomaly values were computed.

https://www.kgs.ku.edu/General/Geology/Reno/geol01.html
Figure 7 —Configuration of bedrock surface and location of test holes. Table 2 —Generalized section of the geologic formations of Reno County, Kansas (the stratigraphic nomenclature is that of the State Geological Survey of Kansas). Yields moderate supplies of water of good quality to wells in upland areas where present.

https://www.wichita.edu/academics/fairmount_las/bioscience/fieldStation/index.php
In addition to WSU activities, the field station has also attracted the research and teaching efforts of eleven universities and several local high schools. For more information about the Field Station contact: Dexter Mardis, Field Station Manager: (620) 584-6627, or Maria Martino: (316) 978-3111. If you would like to support the research and

https://waterdata.usgs.gov/monitoring-location/07145500/
USGS Parameter Group Data Types Start Date End Date; Information: Water-quality: 1940-04-30: 2003-09-09: Inorganics, Major, Metals: Water-quality: 1961-10-19: 2003-08-12

https://www.hutchtribune.com/p/rural-messenger-named-official-county
CREDIT: SANDRA MILBURN/RENO COUNTY. The Reno County Commission approved a motion to switch the official newspaper of Reno County from the Hutchinson News to the Rural Messenger on Wednesday morning at the county courthouse, citing that switching to another publication would save money on newspaper space and legal notices. Three newspapers bid