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    <loc>https://www.hartzscience.com/field-work-data-collection</loc>
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    <lastmod>2025-03-30</lastmod>
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      <image:title>General Field Work &amp; Data Collection</image:title>
      <image:caption>We are experts at collecting data and making real world measurements in difficult environments. Whether your field work is done on the side of the road, or on the side of a mountain, we can cover your needs. We are also highly skilled with off road vehicles, snowmobiles, wilderness navigation, and moving through difficult terrain on foot. Do you need photo documentation and/or drone footage? We can do that too.</image:caption>
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  <url>
    <loc>https://www.hartzscience.com/remote-instruments-sensors</loc>
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    <priority>0.75</priority>
    <lastmod>2020-07-23</lastmod>
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      <image:title>Remote Instrument/Sensor</image:title>
      <image:caption>If you are starting from scratch, we can help you choose the sensors, data loggers,  infrastructure, and the communications equipment you need. In some cases, we will set up equipment at the HSE shop to make sure everything is working properly before moving to the field site. We can work with you to overcome logistical challenges of moving equipment into the field.</image:caption>
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  <url>
    <loc>https://www.hartzscience.com/contact</loc>
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    <lastmod>2025-03-30</lastmod>
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  <url>
    <loc>https://www.hartzscience.com/home</loc>
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    <priority>1.0</priority>
    <lastmod>2021-10-01</lastmod>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1630433173028-4DFVRGS6URNOKXB5QPHT/Hayden.IceClimbing.AlliMilles-8+%281%29.jpg</image:loc>
      <image:title>Hartz Science Explorations - About</image:title>
      <image:caption>Technical solutions to technical problems.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1594671991667-SZOD469L4BOC4FADRLU3/AH+sensor+1.jpg</image:loc>
      <image:title>Hartz Science Explorations - Services</image:title>
      <image:caption>Hartz Science Explorations (HSE) can work with your team or independently to accomplish your goals.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1594672172082-QQYR088MVTYZYSLMTAW7/AH+field+1.JPG</image:loc>
      <image:title>Hartz Science Explorations - About</image:title>
      <image:caption>Combining scientific and technical experience to help scientists accomplish their goals in the field.</image:caption>
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  <url>
    <loc>https://www.hartzscience.com/biological-sampling</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-07-23</lastmod>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1595536367275-E13TUO00L7K3ZGSCV403/AH+geo+3.JPG</image:loc>
      <image:title>Biological Sampling</image:title>
      <image:caption>We can learn your taxonomic needs, criteria, and procedures. We can perform sample collection, identification, observations and record related data, biomass surveys, and more.</image:caption>
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  </url>
  <url>
    <loc>https://www.hartzscience.com/services</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2021-10-01</lastmod>
  </url>
  <url>
    <loc>https://www.hartzscience.com/avalanche</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-07-24</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1595599208172-PQRGPMXOIM2C0ONENU0A/AH+avalanche+4.jpeg</image:loc>
      <image:title>Avalanche</image:title>
      <image:caption>Aaron Hartz is a professional member of the American Avalanche Association and works as an avalanche forecaster in central Oregon. He has extensive experience analyzing snowpack, recording meteorological observations, and decision making related to avalanche safety.</image:caption>
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  </url>
  <url>
    <loc>https://www.hartzscience.com/geo-hydro</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2020-07-23</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1594667604813-9ESMH844OY1CID92CRN1/AH%2Bgeo%2B2.jpg</image:loc>
      <image:title>Geo/Hydro</image:title>
      <image:caption>Hartz Science Explorations can use your protocols and methods to collect data and samples.</image:caption>
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  </url>
  <url>
    <loc>https://www.hartzscience.com/about</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2025-03-30</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1594673216049-59HHPG75E3IR2KY8PH1J/AH+mountain+5.jpg</image:loc>
      <image:title>About - Aaron Hartz</image:title>
      <image:caption>I combine my scientific and technical experience to help scientists accomplish their goals in the field. I have a B.S. degree in environmental science from Oregon State University. I also earned a M.S. degree from Nova Southeastern University in biological sciences and a M.S. degree in oceanography from Oregon State University. Throughout my formal training I have gained a strong background in the earth and biological sciences and I am experienced with a wide variety of scientific instrumentation, equipment, and sampling procedures.  I have a solid understanding of the scientific method and the ability to adapt and learn new methods and protocols. In addition to my academic training, I have professional training that has led me to be able to guide climbers and skiers in the mountains and difficult terrain. I am a certified ski mountaineering guide through the American Mountain Guides Association and an aspirant mountain guide.</image:caption>
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  </url>
  <url>
    <loc>https://www.hartzscience.com/mountain-safety-support</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2021-08-31</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/1630433703286-0YVXNUWG4TZXF0PAJVGD/Hayden.IceClimbing.AlliMilles-6+%281%29.jpg</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Aaron Hartz is a professional climbing and ski mountaineering guide and is trained as a wilderness first responder. Rope belays, rappelling, and glacier travel are all part of our skillset.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/8d2ab55d-caba-4bac-a291-f45079771cbf/IMG_1966.jpg</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Mountain climber in blue jacket and helmet ascending rocky peak with scenic valley view</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/df27c162-ca01-45bb-bbf0-bc72f85950dc/IMG_20180530_062627.jpg</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Mountain climber on snowy peak with helmet and climbing gear</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/18b4e435-cf35-4a13-aa58-fb7ad26625c0/Aaron+Hayden1.png</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Person standing on a glacier with a mountainous landscape in the background.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/01d4880f-6c30-4e2a-bf69-7649280237b6/Greenland+heli1.jpg</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Red helicopter on a grassy slope beside a turquoise mountain lake, with rocky mountains in the background.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/6f823b48-78f6-4e5b-90d6-c8875e756ffc/Hayden+and+Diller+glaciers.jpg</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Mountain landscape with snow, glaciers, and a turquoise glacial lake in the foreground under a clear blue sky.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5f0cafbe3598935e96c99809/6b01a32d-1860-4368-8152-3acaa2384eb5/AH+greenland+11.JPG</image:loc>
      <image:title>Mountain/Safety Support</image:title>
      <image:caption>Person standing on rocky terrain near a glacier with mountains and a lake in the background, wearing a red jacket and colorful knit hat.</image:caption>
    </image:image>
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