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To support visibility <strong>and</strong> analysis efforts, the Army <strong>and</strong> NGB submit annual requests to<br />

states for geospatial data <strong>and</strong> map products. This year the Range Complex Master Plan (RCMP)<br />

<strong>and</strong> CIP requests have been satisfied.<br />

Representing NGB, the MNARNG is participating in a pilot project to define an Army<br />

adaptation for the upcoming release of SDSFIE 3.0. Review of current compliance with SDSFIE<br />

<strong>and</strong> interviews with GIS staff will be used to define potential alterations of the st<strong>and</strong>ard in an<br />

effort to accommodate specific data requirements. SDSFIE 3.0 implementation tools will then be<br />

developed based upon the Army adaptation <strong>and</strong> tested by pilot project participants.<br />

GEOSPATIAL DATA<br />

Based upon business need, maintenance <strong>and</strong> development of geospatial data layers has<br />

continued throughout the year (Appendix N). This also includes changes which occurred during<br />

implementation of the NGB Range Reconciliation st<strong>and</strong>ardization initiative.<br />

Light Detection <strong>and</strong> Ranging (LiDAR) data has also been acquired for Camp Ripley.<br />

LiDAR is a technology that utilizes lasers to determine the distance to an object or surface. It is<br />

similar to radar but incorporates laser pulses rather than sound waves to determine distance by<br />

measuring the travel time between transmission <strong>and</strong> reflection <strong>and</strong> detection of a pulse. Common<br />

airborne systems consist of a LiDAR laser scanner mounted in the bottom of an airplane (similar<br />

to an aerial camera) along with an Inertial Measuring Unit <strong>and</strong> Airborne GPS.<br />

In spring of 2007, a partnership between Camp Ripley, Crow Wing County, <strong>and</strong> St.<br />

Cloud State University contracted Merrick & Company to execute a LiDAR acquisition survey.<br />

Acquisition areas included Camp Ripley, Crow Wing County, <strong>and</strong> the Mille Lacs Indian<br />

Reservation.<br />

The contracted Camp Ripley acquisition area included the installation <strong>and</strong> a 3 mile buffer<br />

excluding the area that falls within Crow Wing County. Although the MNARNG does not own<br />

the data for this exclusion area Crow Wing County has provided the data along with permission<br />

for its use. Therefore, the Camp Ripley LiDAR data set currently covers Camp Ripley as well as<br />

the complete 3 mile buffer surrounding the installation.<br />

Camp Ripley LiDAR data set<br />

Acquisition period: 9 May - 24 June 2007<br />

Average point density: 1.7 points/m 2<br />

Number of returns: 4<br />

Tiling scheme: 5000 x 5000ft<br />

Data deliverables<br />

All data points classified into ground <strong>and</strong> non-ground<br />

- LAS format (also includes intensity values)<br />

-ASCII format<br />

Page 121<br />

2009 Conservation Program Report

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