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  <channel>
    <title>topic Re: Black box this morning for USGS National Map layer failed to load. in ArcGIS Viewer for Flex Questions</title>
    <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652355#M19323</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This appears to be broken again? We are getting this error in all our viewers.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Fri, 29 Apr 2016 16:00:48 GMT</pubDate>
    <dc:creator>KathrynSmith</dc:creator>
    <dc:date>2016-04-29T16:00:48Z</dc:date>
    <item>
      <title>Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652350#M19318</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;SPAN style="font-size: 12pt;"&gt;Getting a black box this morning for USGS National Map layer failed to load on all my FlexViewer apps. Any information I missed or is it just down this morning? See attachment please.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="font-size: 12pt;"&gt;Janie&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 11 Dec 2014 14:52:08 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652350#M19318</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2014-12-11T14:52:08Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652351#M19319</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Same here.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Logged in this morning and I am getting the same USGS National Map Layer error. Any suggestions?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Mike Toth&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 11 Dec 2014 16:07:38 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652351#M19319</guid>
      <dc:creator>miketoth</dc:creator>
      <dc:date>2014-12-11T16:07:38Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652352#M19320</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; Apparently the problem is now fixed. This was either a security issue or the service was just down temporarily. I'm very happy to say my production FlexViewer web apps are now all working. &lt;/P&gt;&lt;P&gt;Thanks ESRI!&lt;/P&gt;&lt;P&gt;Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 11 Dec 2014 17:03:00 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652352#M19320</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2014-12-11T17:03:00Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652353#M19321</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;It wasn't working unless your URL was listed in the &lt;/P&gt;&lt;P&gt;&lt;SPAN style="color: black;"&gt;&lt;A href="http://basemap.nationalmap.gov/crossdomain.xml"&gt;http://basemap.nationalmap.gov/crossdomain.xml&lt;/A&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp; &lt;/P&gt;&lt;P&gt;For now, we've removed that basemap from the default basemap gallery so there should be no more error messages about that service when starting your flexviewers.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 11 Dec 2014 18:00:02 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652353#M19321</guid>
      <dc:creator>BjornSvensson</dc:creator>
      <dc:date>2014-12-11T18:00:02Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652354#M19322</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thanks Bjorn. Everything is working fine now!&lt;BR /&gt;Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 11 Dec 2014 18:03:52 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652354#M19322</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2014-12-11T18:03:52Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652355#M19323</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This appears to be broken again? We are getting this error in all our viewers.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 29 Apr 2016 16:00:48 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652355#M19323</guid>
      <dc:creator>KathrynSmith</dc:creator>
      <dc:date>2016-04-29T16:00:48Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652356#M19324</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This morning all our FlexViewers were getting the black box on this basemap again. It is working now again.&lt;/P&gt;&lt;P&gt;Thanks ESRI,&lt;/P&gt;&lt;P&gt;Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 29 Apr 2016 17:33:01 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652356#M19324</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2016-04-29T17:33:01Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652357#M19325</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Have just started getting this error again ... doesn't appear that we have much control over it from our end ???&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 15:24:00 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652357#M19325</guid>
      <dc:creator>Anonymous User</dc:creator>
      <dc:date>2017-07-17T15:24:00Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652358#M19326</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;We have been getting this since around July 3rd, 2017. We can't get any help from ESRI so far. It would be so helpful if Bjorn Svensson could once again remove that basemap from the default basemap gallery as he did in 2014 above. I have 20 different production Flex Viewers throwing this error everytime they start up that web app.&lt;/P&gt;&lt;P&gt;Thanks,&lt;BR /&gt;Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 15:32:53 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652358#M19326</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-17T15:32:53Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652359#M19327</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I'm in the same boat, this error has been a problem since early July.&amp;nbsp; I do not want to have to disable the basemaps portal to remove the error, but I cannot think of another way.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 21:10:08 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652359#M19327</guid>
      <dc:creator>StephenMitchell1</dc:creator>
      <dc:date>2017-07-17T21:10:08Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652360#M19328</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;A href="https://community.esri.com/migrated-users/13499"&gt;Janie Goddard&lt;/A&gt;‌ &lt;A href="https://community.esri.com/migrated-users/61182"&gt;Stephen Mitchell&lt;/A&gt;‌ - do you have a public facing web app where this can be reproduced? &amp;nbsp;Which browsers (on which platforms) does this happen in?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 22:07:44 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652360#M19328</guid>
      <dc:creator>BjornSvensson</dc:creator>
      <dc:date>2017-07-17T22:07:44Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652361#M19329</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;My web app is unfortunately not public facing, but I'm including a screenshot of the error I've been getting ...&lt;IMG alt="" class="image-1 jive-image j-img-original" src="https://community.esri.com/legacyfs/online/363095_usgserror.jpg" style="height: auto;" /&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 22:14:24 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652361#M19329</guid>
      <dc:creator>Anonymous User</dc:creator>
      <dc:date>2017-07-17T22:14:24Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652362#M19330</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;The Esri example of the basemap widget errors also. https://community.esri.com/external-link.jspa?url=http%3A%2F%2Fresources.arcgis.com%2Fen%2Fhelp%2Fflex-viewer%2Flive%2Findex.html&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Http://geodata.cherokee.org/cherokeenation&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Firefox and I.e both throw this. These are flexviewers 3.7 on Server 10.2.1.&lt;/P&gt;&lt;P&gt;Janie&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Sent from my iPhone&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Jul 2017 22:24:37 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652362#M19330</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-17T22:24:37Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652363#M19331</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Bjorn,&lt;/P&gt;&lt;P&gt;    Is there any chance of you doing what you did in your response above on Dec 2014:&lt;/P&gt;&lt;P&gt;“For now, we've removed that basemap from the default basemap gallery so there should be no more error messages about that service when starting your flexviewers.”&lt;/P&gt;&lt;P&gt;   We would so appreciate your help!&lt;/P&gt;&lt;P&gt;Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 18 Jul 2017 20:53:30 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652363#M19331</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-18T20:53:30Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652364#M19332</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you to ESRI for working with USGS to fix this problem. Thank you USGS!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Jul 2017 13:45:01 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652364#M19332</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-19T13:45:01Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652365#M19333</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you ESRI for helping with this!&amp;nbsp; Thanks Janie for getting this on the radar.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Jul 2017 15:27:18 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652365#M19333</guid>
      <dc:creator>StephenMitchell1</dc:creator>
      <dc:date>2017-07-19T15:27:18Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652366#M19334</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;You're welcome Stephen! I know my users were not happy. &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Jul 2017 15:32:15 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652366#M19334</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-19T15:32:15Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652367#M19335</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Yes, good to go here as well ... thanks again Bjorn!&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Jul 2017 16:35:20 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652367#M19335</guid>
      <dc:creator>Anonymous User</dc:creator>
      <dc:date>2017-07-19T16:35:20Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652368#M19336</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Absolutely thanks Bjorn! Janie&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Jul 2017 17:13:22 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652368#M19336</guid>
      <dc:creator>JanieGoddard</dc:creator>
      <dc:date>2017-07-19T17:13:22Z</dc:date>
    </item>
    <item>
      <title>Re: Black box this morning for USGS National Map layer failed to load.</title>
      <link>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652369#M19337</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;A href="https://community.esri.com/migrated-users/13499" target="_blank"&gt;Janie Goddard&lt;/A&gt;‌ - I think the best option&amp;nbsp;for now is to modify your config.xml files.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;There are two possible solutions:&lt;BR /&gt;(1) instead of using the default basemap group, point it to an organization that has all-except-USGS basemaps.&lt;/P&gt;&lt;P&gt;(2) instead of asking online/portal for the basemaps, hardcode them in your config.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;H5 id="toc-hId-1174237504"&gt;For option 1&lt;/H5&gt;&lt;P&gt;In the map tag, change&lt;/P&gt;&lt;PRE class="lia-code-sample line-numbers language-none"&gt;addarcgisbasemaps="true"&lt;/PRE&gt;&lt;P&gt;to&lt;/P&gt;&lt;PRE class="lia-code-sample line-numbers language-none"&gt;addarcgisbasemaps="false" portalurl="https://YOUR-ORGANIZATION.maps.arcgis.com"&lt;/PRE&gt;&lt;P&gt;&lt;/P&gt;&lt;H5 id="toc-hId--1377919457"&gt;For option 2&lt;/H5&gt;&lt;P&gt;1. Change &lt;CODE&gt;addarcgisbasemaps="true"&lt;/CODE&gt; to &lt;CODE&gt;addarcgisbasemaps="false"&lt;/CODE&gt;&lt;/P&gt;&lt;P&gt;2. Add the basemaps (this might be slightly idfferent set from what you're used to - adjust as appropriate). Add it inside the map tag, before the operationallayers tag.&lt;/P&gt;&lt;PRE class="lia-code-sample line-numbers language-none"&gt; &amp;lt;basemaps&amp;gt;
 &amp;lt;layer label="Topo" type="tiled" visible="true" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/6e03e8c26aad4b9c92a87c1063ddb0e3/info/thumbnail/topo_map_2.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer"/&amp;gt;
 &amp;lt;layer label="Imagery" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/86de95d4e0244cba80f0fa2c9403a7b2/info/thumbnail/tempimagery.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer"/&amp;gt;
 &amp;lt;layer label="Imagery with labels" type="tiled" visible="false" alpha="1"
 icon="assets/images/basemap_imagery_with_labels.png"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer"/&amp;gt;
 &amp;lt;layer label="Imagery with labels" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/413fd05bbd7342f5991d5ec96f4f8b18/info/thumbnail/imagery_labels.jpg"
 url="https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Boundaries_and_Places/MapServer"/&amp;gt;
 &amp;lt;layer label="Dark Gray Canvas" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/25869b8718c0419db87dad07de5b02d8/info/thumbnail/DGCanvasBase.png"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Dark_Gray_Base/MapServer"/&amp;gt;
 &amp;lt;layer label="Dark Gray Canvas" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/25869b8718c0419db87dad07de5b02d8/info/thumbnail/DGCanvasBase.png"
 url="https://services.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Dark_Gray_Reference/MapServer"/&amp;gt;
 &amp;lt;layer label="Light Gray Canvas" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/8b3b470883a744aeb60e5fff0a319ce7/info/thumbnail/light_gray_canvas.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer"/&amp;gt;
 &amp;lt;layer label="Light Gray Canvas" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/8b3b470883a744aeb60e5fff0a319ce7/info/thumbnail/light_gray_canvas.jpg"
 url="https://services.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Reference/MapServer"/&amp;gt;
 &amp;lt;layer label="National Geographic" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/509e2d6b034246d692a461724ae2d62c/info/thumbnail/natgeo.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer"/&amp;gt;
 &amp;lt;layer label="Terrain with labels" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/aab054ab883c4a4094c72e949566ad40/info/thumbnail/terrain_labels.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/World_Terrain_Base/MapServer"/&amp;gt;
 &amp;lt;layer label="Terrain with labels" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/aab054ab883c4a4094c72e949566ad40/info/thumbnail/terrain_labels.jpg"
 url="https://services.arcgisonline.com/ArcGIS/rest/services/Reference/World_Reference_Overlay/MapServer"/&amp;gt;
 &amp;lt;layer label="Oceans" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/48b8cec7ebf04b5fbdcaf70d09daff21/info/thumbnail/tempoceans.jpg"
 url="https://server.arcgisonline.com/ArcGIS/rest/services/Ocean/World_Ocean_Base/MapServer"/&amp;gt;
 &amp;lt;layer label="Oceans" type="tiled" visible="false" alpha="1"
 icon="https://www.arcgis.com/sharing/rest/content/items/48b8cec7ebf04b5fbdcaf70d09daff21/info/thumbnail/tempoceans.jpg"
 url="https://services.arcgisonline.com/ArcGIS/rest/services/Ocean/World_Ocean_Reference/MapServer"/&amp;gt;
 &amp;lt;layer label="Streets" type="tiled" visible="false"
 icon="assets/images/basemap_streets.jpg"
 url="http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer"/&amp;gt;
 &amp;lt;layer label="OpenStreetMap" type="osm" visible="false" icon="assets/images/basemap_osm.jpg"/&amp;gt;
 &amp;lt;/basemaps&amp;gt;
&lt;/PRE&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Sun, 12 Dec 2021 16:44:12 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-viewer-for-flex-questions/black-box-this-morning-for-usgs-national-map-layer/m-p/652369#M19337</guid>
      <dc:creator>BjornSvensson</dc:creator>
      <dc:date>2021-12-12T16:44:12Z</dc:date>
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