<div dir="ltr">Agree with Cindy and Cathy, cleaning should not be taken lightly and only done after consultation. There are cases in which there are dust bunnies, paint flakes, and other debris that must be removed, so each nest will need special consideration.<div><br><div>Happy to see so much great discussion about this topic!<br><div>Best,</div><div>Mariana</div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><font color="#351c75"><b>Mariana Di Giacomo, PhD</b></font></div><div style="font-size:12.8px"><b style="color:rgb(53,28,117);font-size:small">Natural History Conservator, Yale Peabody Museum</b><div style="font-size:small"><span style="color:rgb(53,28,117)">Associate Editor, Collection Forum, SPNHC </span><br></div><div style="font-size:small"><span style="color:rgb(53,28,117)">Secretary/Communications APOYOnline</span></div><div style="font-size:small"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">El mié, 14 sept 2022 a las 12:55, Hawks, Catharine (<<a href="mailto:HawksC@si.edu">HawksC@si.edu</a>>) escribió:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg3936335758927966142">





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<p class="MsoNormal">I agree with Cindy – you may lose important information by cleaning.  Approach with caution.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Cathy<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b><span style="font-size:9pt;font-family:Arial,sans-serif">Catharine Hawks</span></b><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">Conservator</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">Collections Program</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">MRC 170 Rm M85-J</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">National Museum of Natural History</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">10th Street & Constitution Ave NW</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif">Washington DC 20560</span><u></u><u></u></p>
<p class="MsoNormal"><b><span style="font-size:9pt;font-family:Arial,sans-serif">w</span></b><span style="font-size:9pt;font-family:Arial,sans-serif"> 202.633.0835 or 4041 
<b>c</b> 703 200 4370</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif"><a href="mailto:hawksc@si.edu" target="_blank"><span style="color:rgb(5,99,193)">hawksc@si.edu</span></a></span><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(0,193,213)">SMITHSONIAN INSTITUTION</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:9pt;font-family:Arial,sans-serif;color:rgb(0,119,139)">NATIONAL MUSEUM OF NATURAL HISTORY</span><u></u><u></u></p>
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<p class="MsoNormal"><i><span style="font-size:9pt"> </span></i><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu" target="_blank">nhcoll-l-bounces@mailman.yale.edu</a>> <b>
On Behalf Of </b>Opitz, Cindy E<br>
<b>Sent:</b> Wednesday, September 14, 2022 12:39 PM<br>
<b>To:</b> andersong <<a href="mailto:andersong@carnegiemnh.org" target="_blank">andersong@carnegiemnh.org</a>>; Mariana Di Giacomo <<a href="mailto:maru.digi@gmail.com" target="_blank">maru.digi@gmail.com</a>>; René Corado <<a href="mailto:rene@wfvz.org" target="_blank">rene@wfvz.org</a>>; <a href="mailto:Benoit.Mellier@ville.angers.fr" target="_blank">Benoit.Mellier@ville.angers.fr</a><br>
<b>Cc:</b> <a href="mailto:nhcoll-l@mailman.yale.edu" target="_blank">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> Re: [Nhcoll-l] [External] Re: [EXT] how to clean birds nests ?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="line-height:12pt;background:rgb(255,235,156)"><b><span style="font-size:9pt;color:rgb(156,101,0)">External Email - Exercise Caution</span></b><u></u><u></u></p>
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<p class="MsoNormal"><span style="font-family:Arial,sans-serif">I’d think twice before dusting/vacuuming nests. There are folks who are interested in what nests might contain, such as parasites or traces of dirt, food, excrement, etc. Cleaning nests is like
 removing all stains and residues from baskets, which might otherwise indicate how the baskets were used. Better to practice preventive conservation by putting them in containers.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10pt;font-family:Arial,sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)">Cindy Opitz </span></b><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)">(she/her)<br>
Director of Research Collections<u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)">Museum of Natural History and Old Capitol Museum<u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)">Instructor, Museum Studies Certificate Program<u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)">The University of Iowa<br>
11 Macbride Hall, Iowa City, Iowa 52242<br>
Office: 319.335.0481</span><span style="font-size:12pt;color:rgb(32,31,30)"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Arial,sans-serif;color:rgb(32,31,30)"><a href="mailto:cindy-opitz@uiowa.edu" target="_blank"><span style="color:rgb(5,99,193)">cindy-opitz@uiowa.edu</span></a></span><span style="font-family:Arial,sans-serif;color:rgb(21,21,21)"><br>
</span><b><span style="font-family:Arial,sans-serif;color:black"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmnh.uiowa.edu%2F&data=05%7C01%7Chawksc%40si.edu%7C7332b61590dc4abc579508da966faf18%7C989b5e2a14e44efe93b78cdd5fc5d11c%7C0%7C0%7C637987703683776979%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=VQJ3EaEwOpgfI0geVhXrq%2FOI3r%2FjGGF3OVd9SSJGBpg%3D&reserved=0" target="_blank"><span style="color:rgb(5,99,193)">mnh.uiowa.edu,</span></a>
<a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Foldcap.uiowa.edu%2F&data=05%7C01%7Chawksc%40si.edu%7C7332b61590dc4abc579508da966faf18%7C989b5e2a14e44efe93b78cdd5fc5d11c%7C0%7C0%7C637987703683776979%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=VVaJBENoArcVh7pibZYb4v7YMPoupdTWQ%2FJRaYGhQZ8%3D&reserved=0" target="_blank">
<span style="color:rgb(5,99,193)">oldcap.uiowa.edu</span></a> </span></b><span style="font-size:12pt;color:rgb(32,31,30)"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-family:Roboto;color:rgb(32,31,30)"><img border="0" width="163" height="78" style="width: 1.6979in; height: 0.8125in;" id="m_3936335758927966142Picture_x0020_9" src="cid:1833d0148d0855d351"></span><span style="font-size:12pt;color:rgb(32,31,30)"><u></u><u></u></span></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu" target="_blank">nhcoll-l-bounces@mailman.yale.edu</a>>
<b>On Behalf Of </b>Anderson, Gretchen<br>
<b>Sent:</b> Wednesday, September 14, 2022 9:35 AM<br>
<b>To:</b> Mariana Di Giacomo <<a href="mailto:maru.digi@gmail.com" target="_blank">maru.digi@gmail.com</a>>; René Corado <<a href="mailto:rene@wfvz.org" target="_blank">rene@wfvz.org</a>>;
<a href="mailto:Benoit.Mellier@ville.angers.fr" target="_blank">Benoit.Mellier@ville.angers.fr</a><br>
<b>Cc:</b> <a href="mailto:nhcoll-l@mailman.yale.edu" target="_blank">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> [External] Re: [Nhcoll-l] [EXT] how to clean birds nests ?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This is excellent advice,  I completely concur with Marianna’s comments.
<u></u><u></u></p>
<p class="MsoNormal">Gretchen<u></u><u></u></p>
<p class="MsoNormal"><b><span style="font-size:14pt;font-family:"Script MT Bold";color:rgb(56,86,35)">Gretchen Anderson</span></b><b><span style="font-size:14pt;font-family:"Script MT Bold";color:rgb(112,48,160)"><u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Conservator<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Carnegie Museum of Natural History<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">(Preferred  pronouns: she/her)<u></u><u></u></span></p>
<p class="MsoNormal"><a href="mailto:AndersonG@CarnegieMNH.Org" target="_blank"><span style="font-family:Arial,sans-serif;color:rgb(5,99,193)">AndersonG@CarnegieMNH.Org</span></a><span style="font-family:Arial,sans-serif"><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:Arial,sans-serif">Mobile: 412-420-9083<span style="color:rgb(56,86,35)"><u></u><u></u></span></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu" target="_blank">nhcoll-l-bounces@mailman.yale.edu</a>>
<b>On Behalf Of </b>Mariana Di Giacomo<br>
<b>Sent:</b> Wednesday, September 14, 2022 10:22 AM<br>
<b>To:</b> René Corado <<a href="mailto:rene@wfvz.org" target="_blank">rene@wfvz.org</a>>; <a href="mailto:Benoit.Mellier@ville.angers.fr" target="_blank">
Benoit.Mellier@ville.angers.fr</a><br>
<b>Cc:</b> <a href="mailto:nhcoll-l@mailman.yale.edu" target="_blank">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> Re: [Nhcoll-l] [EXT] how to clean birds nests ?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="background:cornsilk"><span style="color:black">CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.</span><u></u><u></u></p>
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<p class="MsoNormal">Dear Benoit, <u></u><u></u></p>
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<p class="MsoNormal">This is quite tricky, due to the nests' fragility, as you already pointed out. My recommendation is to not make a blanket policy that all nests must be vacuumed/cleaned/dusted, and go on a case-by-case basis. Some nests may be in good enough
 condition that you do not need to do anything, and others may have varying degrees of need. Adding a net will only make sure that all the fragments you pull with the vacuum remain with the nest and are not sucked into the vacuum, but will not protect from
 the damage happening in the first place. <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">My recommendation would be to use a triage approach: assess all nests, separate them into three main categories (ready to move, needs some cleaning, too far gone, or something of the sort) and then see how many you have in each category.
 The ones that are already ready to go, just go, and the ones that need some cleaning should be addressed on a case-by-case basis. Finally, those that are too dirty to be useful should be addressed with a different approach, which is whether it is important
 to keep them or not, due to their deteriorated condition. This is a hard question to ask but if they do not serve any research, exhibit, or educational purpose due to deterioration, it is a curatorial/collections management question that needs to be asked
 prior to any resources put into their cleaning, especially because this can take a long time and effort from staff.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I'm happy to discuss with you techniques and approaches for cleaning, if you're interested, so let me know and we can go from there.<u></u><u></u></p>
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<p class="MsoNormal">Best,<u></u><u></u></p>
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<p class="MsoNormal">Mariana<u></u><u></u></p>
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<p class="MsoNormal"><b><span style="font-size:9.5pt;color:rgb(53,28,117)">Mariana Di Giacomo, PhD</span></b><span style="font-size:9.5pt"><u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:12pt;color:rgb(53,28,117)">Natural History Conservator, Yale Peabody Museum</span></b><span style="font-size:9.5pt">
<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;color:rgb(53,28,117)">Associate Editor, Collection Forum, SPNHC </span><span style="font-size:12pt"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;color:rgb(53,28,117)">Secretary/Communications APOYOnline</span><span style="font-size:12pt"><u></u><u></u></span></p>
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<p class="MsoNormal">El mié, 14 sept 2022 a las 10:06, René Corado (<<a href="mailto:rene@wfvz.org" target="_blank">rene@wfvz.org</a>>) escribió:<u></u><u></u></p>
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<p class="MsoNormal">Hi Benoit, <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">We have a collection of ~20,000 nests. We never dust or vacuum any nests, I won’t recommend it. I placed every individual nest in plastic boxes or sealed them in plastic bags before I put them into cabinets. When I arrived at the museum
 37 years ago, several thousand nests were wrapped individually in newspaper and storage in cardboard boxes, the newspaper protected them from the dust until I put them in plastic and into the cabinets. <u></u><u></u></p>
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<p class="MsoNormal">Best regards,<u></u><u></u></p>
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<p class="MsoNormal">René Corado<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt">On Sep 14, 2022, at 6:34 AM, Valerie Tomlinson <<a href="mailto:VTomlinson@nature.ca" target="_blank">VTomlinson@nature.ca</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal">Hi Benoit,<u></u><u></u></p>
<p class="MsoNormal">My last work place had several projects on dust, although it wasn’t a Natural History museum. In one project they dusted everything in the store. It was one of the smaller stores,
 but it still took over a year to complete. If you dust everything in your collection, plan on a multi-year project, and since it would take so long, perhaps add on some value-added work like upgrading storage mounts or catalogue records.<u></u><u></u></p>
<p class="MsoNormal">Another dust incident happened immediately after that project, so from that we came to the conclusion that it wasn’t necessary to dust
<i>everything </i>in the stores. A lot of the time, most of the damage is already done by the dust and removing it can cause more damage. It is only worth dusting if the dust is actively/rapidly causing degradation (enhancing mould growth or corrosion, causing
 significant surface scratching, etc.) and/or the item is going on display, or the item is otherwise in use and the dust will interfere with that use. If the item is just sitting in storage with no plans for use in the near future, and the dust is not causing
 significant continued degradation, then dusting may wait for a request for loan, display, or research.
<u></u><u></u></p>
<p class="MsoNormal">In such circumstances it is better to focus on preventive measures, such as improved storage to prevent dust accumulation, such as: improved HVAC filtration; storage in closed cupboards;
 storage in boxes; or the use of dust covers.<u></u><u></u></p>
<p class="MsoNormal">A dust monitoring project in the new store may also be something to consider. Dust always happens, so it’s good to know how much, what kind, where it builds up, that kind of thing.
 Then you’ll have some idea of how frequently you’ll have to think about dusting.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">As for your bird nests, because of their fragility, I would take the preventive approach. If it is not scheduled for use in the foreseeable future, then focus on improving the storage
 and packing. Only dust selected items where the dust is truly interfering with use, and/or is causing continuing damage.<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">That’s my 2 cents.<u></u><u></u></p>
<p class="MsoNormal">Valerie Tomlinson<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <<a href="mailto:nhcoll-l-bounces@mailman.yale.edu" target="_blank">nhcoll-l-bounces@mailman.yale.edu</a>>
<b>On Behalf Of </b>MELLIER Benoît<br>
<b>Sent:</b> Wednesday, September 14, 2022 8:40 AM<br>
<b>To:</b> <a href="mailto:nhcoll-l@mailman.yale.edu" target="_blank">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> [EXT][Nhcoll-l] how to clean birds nests ?<u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
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<p class="MsoNormal"><span lang="FR" style="color:white">Dear all,</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="FR">Here at Angers Nat. Hist. Museum (Western France), we are working on our collections before their complete relocation in a new storage building. Among all the tasks,
 one important is cleaning the specimens. Most of all are dusty and sometimes dust is easy to remove sometimes it is not, it depends on the kind of the specimens. My question concerns birds nests : did some of you experiment birds nests dust off ? Some restorers
 tell us to wrap the nest with a net and use a vacuum. I will appreciate your answers and your experience sharing about this.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="FR">Thanks,</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="FR"> </span><u></u><u></u></p>
<p class="MsoNormal" style="background:white">
<b><span lang="FR" style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">Benoît MELLIER</span></b><u></u><u></u></p>
<p class="MsoNormal" style="background:white">
<b><span lang="FR" style="font-family:Arial,sans-serif;color:black;border:1pt none windowtext;padding:0in">Zoologie, Sciences de la Terre et Préhistoire<br>
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<b>Direction des musées – </b></span><span style="color:black"><a href="https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FMus%25C3%25A9um_des_sciences_naturelles_d%2527Angers&data=05%7C01%7Chawksc%40si.edu%7C7332b61590dc4abc579508da966faf18%7C989b5e2a14e44efe93b78cdd5fc5d11c%7C0%7C0%7C637987703683776979%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xkMKx6D8LETSO4OwY69xLXRY0QOiL3F5AVItUvn9otA%3D&reserved=0" target="_blank"><b><span lang="FR" style="border:1pt none windowtext;padding:0in">Muséum
 des sciences naturelles</span></b></a></span><b><span lang="FR" style="color:rgb(32,31,30);border:1pt none windowtext;padding:0in"> // Ville d’Angers</span></b><span lang="FR" style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(153,153,153);border:1pt none windowtext;padding:0in"><br>
43 rue Jules Guitton – 49100 ANGERS<br>
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<p class="MsoNormal"><b><span style="font-size:12pt;font-family:Arial,sans-serif;color:black">Sauver le monde avec des preuves, des connaissances et de l'inspiration.</span></b><span style="font-size:12pt;font-family:Arial,sans-serif;color:black">
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