new life for old maps general land office plat and survey note archival efforts north dakota state...
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New Life for Old New Life for Old MapsMaps
General Land Office Plat General Land Office Plat AndAnd
Survey Note Archival Survey Note Archival EffortsEfforts
North Dakota State Water CommissionNorth Dakota State Water Commission
New Life for Old MapsNew Life for Old Maps
BackgroundBackground
Review the Primary ObjectivesReview the Primary Objectives
Steps to Completion of Efforts / Steps to Completion of Efforts / Technical DetailsTechnical Details
Review of Data Delivery SystemReview of Data Delivery System
Future EndeavorsFuture Endeavors
BackgroundBackgroundAccording to North Dakota Century Code 61-03-According to North Dakota Century Code 61-03-
10, (Custodian of government plats) “the 10, (Custodian of government plats) “the state engineer shall be custodian of all plats, state engineer shall be custodian of all plats, field notes, and records that have been or field notes, and records that have been or hereafter may be turned over to the state by hereafter may be turned over to the state by the government.”the government.”
A General Land Office (GLO) “plat is the drawing A General Land Office (GLO) “plat is the drawing which represents the lines surveyed, which represents the lines surveyed, established, retraced, or resurveyed, showing established, retraced, or resurveyed, showing the direction and length of each line; the the direction and length of each line; the relation to the adjoining official surveys; the relation to the adjoining official surveys; the boundaries, description, and area of each parcel boundaries, description, and area of each parcel of the land; and, as far as practicable, the of the land; and, as far as practicable, the topography, culture, and improvements within topography, culture, and improvements within the limits of the survey. Occasionally the plat the limits of the survey. Occasionally the plat may constitute the entire record of the survey."may constitute the entire record of the survey." - BLM Manual of Surveying Instructions, pg. 191, Chp. 9, 1973. - BLM Manual of Surveying Instructions, pg. 191, Chp. 9, 1973.
The Project – Primary The Project – Primary ObjectivesObjectives
1)1) Final product needed to be equal in Final product needed to be equal in quality to originalsquality to originals
2)2) Original GLOs and notes to be Original GLOs and notes to be scanned oncescanned once
3)3) Output image format to be industry Output image format to be industry standardstandard
4)4) File sizes kept to a minimumFile sizes kept to a minimum
5)5) Scans of accompanying survey notes Scans of accompanying survey notes to be equal in quality to GLOsto be equal in quality to GLOs
The Project – Step OneThe Project – Step OneEstablish StandardsEstablish Standards
1)1) Scan resolution set to 300 dots per inch Scan resolution set to 300 dots per inch (DPI)(DPI)
a)a) US Library of Congress resolutionUS Library of Congress resolutionb)b) Looks just like the original upon plotting on Looks just like the original upon plotting on
inkjet plotterinkjet plotter(One dot, or pixel, represents 9 feet on map)(One dot, or pixel, represents 9 feet on map)
The Project – Step OneThe Project – Step OneEstablish StandardsEstablish Standards
2)2) GLO scans saved as Tagged Image GLO scans saved as Tagged Image File Format (TIFF)File Format (TIFF)
a)a) TIFF considered a “loss-less” formatTIFF considered a “loss-less” format
b)b) TIFF widely supportedTIFF widely supported
c)c) JPEG smaller sizes at cost of image JPEG smaller sizes at cost of image qualityquality
d)d) MrSid compressed images not MrSid compressed images not consideredconsidered
The Project – Step TwoThe Project – Step TwoScanningScanning
GLOs scanned on 42 inch HP CC800PS scannerGLOs scanned on 42 inch HP CC800PS scanner
Re-Surveys scanned on Savin Digital CopierRe-Surveys scanned on Savin Digital Copier
The Project – Step ThreeThe Project – Step ThreeGeo-Register ImagesGeo-Register Images
1)1) For use with contemporary Geographic For use with contemporary Geographic Information Systems (GIS) dataInformation Systems (GIS) data
2)2) Registered to UTM, zone 14, NAD83Registered to UTM, zone 14, NAD83
3)3) Registered to 1:24,000 scale township Registered to 1:24,000 scale township gridgrid
4)4) Thickness of linework typically .05” Thickness of linework typically .05” and represents approximately 132’ on and represents approximately 132’ on groundground
5)5) Images not Geo-RectifiedImages not Geo-Rectified
The Project – Step FourThe Project – Step FourData DeliveryData Delivery
AKAAKAWhere do you go to get Where do you go to get
the data?the data?
www.swc.state.nd.uswww.swc.state.nd.usoror
www.swc.state.nd.us/dataresources/www.swc.state.nd.us/dataresources/glosearchform.htmlglosearchform.html
Other GLO and Survey Note Other GLO and Survey Note Delivery SystemsDelivery Systems
MichiganMichiganhttp://www.dnr.state.mi.us/spatialdatalibrary/PDF_Maps/GLO_plats/http://www.dnr.state.mi.us/spatialdatalibrary/PDF_Maps/GLO_plats/GLO_Index.htmGLO_Index.htm
FloridaFloridahttp://data.labins.org/2003/index.cfmhttp://data.labins.org/2003/index.cfm
Bureau of Land Management – Bureau of Land Management – ColoradoColoradohttp://www.co.blm.gov/cadastral/digrecord.htmhttp://www.co.blm.gov/cadastral/digrecord.htm
CaliforniaCaliforniahttp://www.cprr.org/Museum/Maps/California_Survey_Mapshttp://www.cprr.org/Museum/Maps/California_Survey_Maps//
Archive Efforts Archive Efforts SummarySummary
1)1) Scanned 2,837 GLOs and accompanying Scanned 2,837 GLOs and accompanying file cabinets of re-survey notesfile cabinets of re-survey notes
2)2) Files are industry standard formatsFiles are industry standard formats3)3) File sizes kept to a minimum / File sizes kept to a minimum /
maintained qualitymaintained quality4)4) Designed 24/7 internet delivery systemDesigned 24/7 internet delivery system5)5) Worked a deal with the BLM to get Worked a deal with the BLM to get
original notesoriginal notes6)6) Archived valuable pieces of North Archived valuable pieces of North
Dakota’s historical documentsDakota’s historical documents
Future Efforts – Future Efforts – Electronic Dissemination of Electronic Dissemination of Survey Control InformationSurvey Control Information
HARN ControlHARN Control
NGS Horizontal and NGS Horizontal and Vertical ControlVertical Control
33rdrd Order Control Order Control
State Engineer ControlState Engineer Control
Future Efforts -Future Efforts - Obtaining Benchmark Obtaining Benchmark
InformationInformation1)1) Data will be available on the North Data will be available on the North
Dakota State GIS HubDakota State GIS Hub
2)2) Data will be available on the Data will be available on the Internet through the Water Internet through the Water Commission Internet Map ServicesCommission Internet Map Services
GLO & Survey Note GLO & Survey Note Archival EffortsArchival Efforts
North Dakota State Water CommissionNorth Dakota State Water Commission
Lee Krein – Registered Land Surveyor – Survey Notes/GLO Lee Krein – Registered Land Surveyor – Survey Notes/GLO Data Input - Integrity SupervisionData Input - Integrity [email protected]@state.nd.us 701-328-3094 701-328-3094
Rod Bassler – GIS Coordinator – Imaging / Spatial Data Rod Bassler – GIS Coordinator – Imaging / Spatial Data Development / Mapping LeadDevelopment / Mapping Lead
[email protected]@state.nd.us 701-328-4998 701-328-4998
Chris Bader – IT Division Leader – Database / Internet Chris Bader – IT Division Leader – Database / Internet Delivery LeadDelivery Lead
[email protected]@state.nd.us 701-328-4771 701-328-4771