Surface
Our “current” database model
ties stratigraphy & age
to our localities
GPS 5
Locality 5
Locality 5
Formation H
Formation G
Locality 4
Formation F
GPS 4
Locality 4
GPS 3
Locality 3
Formation E
Locality 3
Formation D
GPS 2
Locality 2
Formation C
Locality 2
GPS 1
Locality 1
Formation B
Locality 1
Formation A
• Historically age & stratigraphy associated
with locality (paleontological context)
Some specimens are more sensitive to slight
changes than others for varying reasons:
• Size of specimen vs. thickness of strata
Pollen
Spores
Ostracods/Ostracodes
Microfossils
• Condensed & expanded intervals
“Expanded”
“Condensed”
Mines/Quarries
Farms/Ranches
Field Conferences/Society Fieldtrips
Other Collection Records
Distance from Points
Ghost Towns/Railroad Sidings
GIS Datasets
Publications
Public Land Survey System (PLSS) Coverages
TIGERfiles (features and data derived from Census)
Topographic Maps (DRGs)
Aerial Photographs (DOQQs)
Surface Geology Coverages
Aquifer Coverages
National Elevation Datasets (NEDs)
Hypsography
Hydrology Datasets & Coverages
Landsat Imagery
Etc.
Maps/Gazetteers/Atlases
Websites
GIS Datasets must have:
http://www.colorado.edu/geography/gcraft/notes/mapproj/mapproj_f.html
• Projection, coordinate system, and datum
• Scale
• Source
• Accuracy
Source of Data:
Robert W. Baughman's
“Kansas Post Offices, May 29, 1828-August 3, 1961”
“Idealized” Core
Will be georeferencing to
surface of well/where well
permit issued for
(How to account for core
drift from drilling, TBA)
Reserves/Bulk
Locality 5
Residues
Locality 4
© University of Texas @ Austin, 2000
[Color added]
Locality 3
Have not determined
how to handle
verifying plotting
correctly
Macrofossils
Locality 2
Locality 1
Modern example
but historical
records also exist
GIS Datasets
Points
Representation
of
Collection Locality
Lines
Georeferencing
Process
Buffered Points
Polygons
Buffered Lines
Buffered Polygons
•
•
Use ArcGIS to georectify/georeference
maps scanned at known scale/resolution to
appropriate datum
Use ArcGIS to digitize marking made by
collectors and former museum workers
into GIS layer(s)
Scanned in Map
Map Rectified to GIS
GIS Processing
Digitizing Features
Digital Coverage of Features
Illustration of Geology with Relief
Field Picture Showing Outcrop
© Landis, 2005
© Landis, 2005
© Landis, 2005
Relocated
Terra Cotta Train Depot
(now part of a museum
What Shows
on Topographic Map
(only cemetery & a railroad marker remains)
Discovered during field work
Providing new source of
information…
that museum’s documentation
of Terra Cotta Train Depot
• Maps/Gazetteers/Atlases
– Map title, publisher, scale, year, type,
sheet/page number
• Books/Journals
– Title, author(s)/editor(s)/publisher,
year, ISSN/ISBN/identifying numbers
• Websites
– Title, URL, access date
• Field Notes/Labels/Written
Catalog/Collection Records/Files
What
Mentioned
What Could Have
Discussed
I Am Willing to
Discuss My Experiences,
Answer Questions,
&/Or
Brainstorm Possible Strategies
to Locating Less Findable
Localities
Margaret Landis
Paleobotany, Micropaleontology, & Mineralogy Collection Manager (& Experienced GIS User)
Sam Noble Oklahoma Museum of Natural History