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    • May 18, 2021
    • 1:00 PM - 2:00 PM (EDT)
    • Webinar
    • 175
    Register

    Maximize well efficiencies in both screen wells and open hole (Bedrock wells) with proper well development techniques

    Presenter

    Roger E. Renner

    President, E. H. Renner & Sons, Inc.

    Chairman, Mn Department of Health Advisory Council on Wells and Borings

    NGWA FELLOW 2016

    NGWA PRESIDENT 2001

    MWWA PRESIDENT 1990


    Please read:  After registering on our site you'll receive a PCPG confirmation email indicating Action Required in the subject line. Your registration is not complete until you click through the unique link in that email directing you to the GoToWebinar web site, enter your name, email address, consent to terms and conditions, and click the Register button.  Check your spam filter if you do not see the PCPG 'Action Required' email within 60 seconds of registering, here.

    PCPG will circulate a PDH certificate documenting registrant’s participation time, not to exceed 60 minutes, within 72 hours of the conclusion of the webinar.

    Level: General to Intermediate

    Who should attend:  Anyone in the geologic and allied science community who is involved in or oversees the drilling, installation, and development of municipal and industrial wells.  This webinar should interest practicing geologists, hydrologists, engineers, project managers, municipal and site managers, consultants, regulatory managers and technical support staff.  

    Webinar Overview:  Well development is critical in the large diameter high flow municipal and industrial wells.  This webinar will discuss ways to maximize well development to provide the best "wire to water" cost per 1000 gallons pumped (sold).  Development techniques should change depending on the type of well drilled, i.e. screened vs. open hole wells.  For screened wells, techniques will be explored to design build a screen to fit the geology, sieve analysis, and flow rate desired.  The webinar will also address naturally developed vs gravel pack and muni-pack screen options. Specific techniques discussed for open holes include decompressing/releasing techniques, airlifting/raw hiding, sandstone removal, blasting and bailing methods. 


    About our Presenter

    Roger E. Renner, MGWC, is president of E.H. Renner & Sons Inc. He is the fourth of five generations of this family-owned business located in Elk River, Minnesota. Aside from the overall operation of this business, he is specifically responsible for the municipal, large well sealing, and monitoring markets. Renner is a 41-year member of NGWA. He successfully completed the Master Ground Water Contractor examination of the NGWA Voluntary Certification Program and is therefore entitled to use MGWC after his name. He is one of 70 contractors in this NGWA program qualified to take this special exam. He is also a past president of NGWA, Past president of the Mn Water Well Association and 26-year member & current Chair of the Minnesota Dept. of Health Advisory Council on Wells and Borings.

     



    • June 15, 2021
    • 1:00 PM - 2:00 PM (EDT)
    • Webinar
    • 184
    Register

    Dam that Muddy Creek!  Lake Arthur dam siting, design, and construction story


    Presenter

    Gary Fleeger, P.G.

    Glacial Geologist - Retired (Pennsylvania Geological Survey)



    Please read:  After registering on our site you'll receive a PCPG confirmation email indicating Action Required in the subject line. Your registration is not complete until you click through the unique link in that email directing you to the GoToWebinar web site, enter your name, email address, consent to terms and conditions, and click the Register button.  Check your spam filter if you do not see the PCPG 'Action Required' email within 60 seconds of registering, here.

    PCPG will circulate a PDH certificate documenting registrant’s participation time, not to exceed 60 minutes, within 72 hours of the conclusion of the webinar.

    Level: Basic

    Who should attend:   Geologists, geotechnical engineers, park enthusiasts

    Webinar Overview:  The dam that forms Lake Arthur in Moraine State Park was built from 1965 to 1968, and the 3225-acre lake was initially filled in 11 months from May, 1969 to April, 1970.  The lake lies in the site of a former glacier-dammed lake of 140,000 years ago. 

    The location of the dam was particularly difficult to select because of the geology of the area.  Much of the valley is underlain by more than 100 feet of compressible lacustrine clay deposited in the glacial lake, which is unfavorable as a dam foundation.  Cavernous Vanport Limestone crops out at the western end of the lake, adding additional complication for dam site selection.  The Vanport threatened leakage around the initially-favored damsite, and also potentially affected the ability of the reservoir to hold water.  As a result, 15 sites were evaluated before selecting a final site with the precise combination of thin lacustrine sediment over bedrock.

    Design and construction of the dam were likewise complicated by the presence of the lacustrine clays and limestone.  Details of the design were revised during the course of construction.

    After being lost from DCNR files for many years, the documents specifying these details of damsite selection, design, and construction were found in the Ralph Peck Library at the Norwegian Geotechnical Institute in Oslo, Norway.

    About our presenter:  Gary Fleeger - Retired glacial geologist (BS- Bucknell Univ, MS- Univ of Illinois) with the Pennsylvania Geological Survey, where I wrote the geologic guide to Moraine and McConnells Mill State Parks.  Grew up near Moraine State Park when it was under construction in the 1960s, where I developed my interest in geology as a career.  While at the Survey, I sited the park's 2 million gallon per day water supply well, which went online in February, 2021, and have conducted shoreline erosion studies for 15 years.  Since retirement in 2018, have been a volunteer working on an erosion and sedimentation map of Lake Arthur, done an inventory of bench marks within the park, scanned the park's historical collection of about 2000 plans (including dam design plans) and maps and 3000 photographs, compiled a history of the evolution of their water systems, including recovering 10 of the 12 original water wells drilled in the park in 1966, assisted in the development of their Park Management Plan, and work on the education committee of the Moraine Preservation Fund.

     



    • June 29, 2021
    • 1:00 PM - 2:00 PM (EDT)
    • Webinar
    • 189
    Register

    Mars sample return science: Transferring geo-skills from Earth to Mars

    Presenter

    Kathleen Counter Benison, Ph.D., Professor of Geology

    Department of Geology and Geography 

    West Virginia University


    Please read:  After registering on our site you'll receive a PCPG confirmation email indicating Action Required in the subject line. Your registration is not complete until you click through the unique link in that email directing you to the GoToWebinar web site, enter your name, email address, consent to terms and conditions, and click the Register button.  Check your spam filter if you do not see the PCPG 'Action Required' email within 60 seconds of registering, here.

    PCPG will circulate a PDH certificate documenting registrant’s participation time, not to exceed 60 minutes, within 72 hours of the conclusion of the webinar.

    Level: Intermediate

    Who should attend:  Geologists making decisions to sample in inhospitable and unknown environments––be them on Earth or on Mars. Anyone interested in Mars and geology.

    Webinar Overview:  The question of whether there was ever life outside of Earth has intrigued humankind for hundreds of years. Mars, as a close neighbor of Earth, has a long history of an evolving lithosphere, hydrosphere, and atmosphere, suggesting that it may also have had a biosphere. Therefore, Mars is a good place to test the question about extraterrestrial life. Mars sample return science includes a search for rocks and sediments with evidence of past habitability and the potential for biosignatures. Sampling, caching, and returning those martian samples to Earth will allow for them to be analyzed in labs on Earth with instruments and techniques beyond rover capabilities.

         Knowledge of extreme environments on Earth that host life provide a foundation for searching for any past life on Mars.  For example, acid saline lakes in Western Australian and Chile host diverse and highly unusual microbial communities. These microorganisms and associated organic compounds are trapped in halite and gypsum as they grow in these lakes.  Studies of ancient acid saline lake deposits show that these microfossils can be preserved for hundreds of millions of years.  A top priority for Mars return samples is that they have potential for long-term preservation of biosignatures such as these.

    Mars is both similar to and different from Earth. Both knowledge of Earth systems, as well as skills inherent to geologists, are used to understand the history of Mars. Geological skills, such as temporal and spatial reasoning and evaluation of multiple working hypotheses, are necessary for understanding other planets and addressing the question about life on Mars.

    About our presenter:  Kathleen Benison is a professor of geology at West Virginia University, where she teaches an introductory geology course called Planet Earth, as well as undergraduate and graduate courses in sedimentology and stratigraphy, sedimentary petrology, chemical sediments, and fluid inclusions.  She earned her BS in geology and chemistry at Bridgewater State College in Massachusetts, her M.A. in geology at Binghamton University in New York, and her Ph.D. in geology at the University of Kansas. Kathy is fellow of both GSA and the Explorers Club.  She is a science editor for the journal GEOLOGY, chair for the Limnogeology Division of GSA, and a return sample participating scientist for the Mars 2020 mission.

     



    • September 30, 2021
    • (EDT)
    • See order form
    Register
    To order a replacement certificate for a previously attended PCPG event, please complete the order form and remit payment.

    Replacement will occur only if attendee initialed the sign-in/sign-out sheet.

    During busy periods, certificate replacement may take 7-10 days.

    Questions? Contact Rose Jeffries by phoning (717) 730-9745.





 

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