đ ------- Dr. George S. Carhart Engineering Archivist Department of Public Works City of Portland, Maine [log in to unmask] 212 Canco Rd, Portland, Maine 04103 P: (207) 874-8682 F: (207) 874-8852 On Wed, Oct 19, 2022 at 2:56 PM Angela R Cope <[log in to unmask]> wrote: > Please see attached measurement unit. > > -a- > ------------------------------ > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> on behalf > of Andrew, Paige G. <[log in to unmask]> > *Sent:* Wednesday, October 19, 2022 1:38 PM > *To:* [log in to unmask] <[log in to unmask]> > *Subject:* Re: [MAPS-L] Map collection measurement in linear feet --- > revisited > > I really got a chuckle out of this newly-discovered "one Marcy" linear > measurement Kathleen! However, I think the equivalency is not accurate. My > own sister is 5'4" tall (maybe a bit less if she's shrunk in recent years > like I have) and I distinctly remember Marcy being taller than that, maybe > closer to 5'6"??? Something to ask her to verify. Otherwise, she's a much > smaller person and former PSU colleague than I remember! > > Great job on describing the situation in hand, definitely ask for more > space between things than standard ADA compliant measurements. > > Paige > ------------------------------ > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> on behalf > of Weessies, Kathleen <[log in to unmask]> > *Sent:* Wednesday, October 19, 2022 1:24 PM > *To:* [log in to unmask] <[log in to unmask]> > *Subject:* Map collection measurement in linear feet --- revisited > > > I regret and apologize for my smart aleck answer to this thread a week > ago, because now I have been approached with the same question! Space > consultants want to know. Our collections strategist suggested that I > characterize our map cabinets in square feet instead, however I was > concerned the consultants would use the standard aisle widths or other > inappropriate measures. We stack 4 to 5 cabinets high, so it is imperative > to accommodate rolling ladders. I replied with the following: > > > > Our cabinets vary slightly in size and vary a lot in height, but most map > cabinet footprints are 54â x 42â or about 16 square feet. We have 63 stacks > of map cabinets. HOWEVER --- It is important to note that map cabinets > need more space around them than the ADA standard of 36â for regular book > shelves. Map cabinets need enough space in front of them not only for a > person to open a drawer but also room to stand on a rolling ladder while > opening the drawer. The rows of cabinets need to be separated by an aisle > about 5 to 6 feet wide. In a recent social media conversation, we > determined that the aisles need to be wide enough that the American > Geographical Society library director, Marcy Bidney, can lay down sideways > between them. She is about 5â 4â? We call the unit of measure âone Marcy.â > > > > The Map Library also has a significant amount of non-standard book > shelving, such as the giant shelves where atlases lay flat and other > oversized shelves for not-quite-as-large atlases. We also have 6 cabinets > of locked books. Those cabinets are about 46â x 24â. Some of the flat > atlases are so large that if we only had 36â between the shelves it > wouldnât be possible to pull a book entirely off the shelf. > > > > > > Kathleen Weessies > > Social Sciences Coordinator; Head, Map Library > > Michigan State University > > [log in to unmask] > > 517-884-0849 > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *John A Olson > *Sent:* Wednesday, October 12, 2022 9:52 AM > *To:* [log in to unmask] > *Subject:* Re: map collection measurement > > > > Doing a side-step on this measurement metric. If one takes the volume of a > bankerâs box, (10x12x15) then the capacity is 1800 cubic inches. Relate > that to the volume of one standard sized map drawer (2x37x49) yields 3626 > cubic inches. So basically 2 bankerâs boxes = one map drawer, volume wise. > One can do the linear math from there. > > > > > > *John A. Olson* > > Librarian for Government and Geo-Information > > 358 E.S. Bird Library > > *t* 315.443.4818 > > [log in to unmask] > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *Sewald, Ronda > *Sent:* Wednesday, October 12, 2022 9:31 AM > *To:* [log in to unmask] > *Subject:* Re: map collection measurement > > > > Having worked in the archives and special collections worlds for many > years before switching to map cataloging, I suspect theyâre asking for > linear feet because that was given to them as the standard unit of > measurement for extent within those communities and theyâre shoehorning in > the map collection. Since most of the collections I worked with at the time > consisted predominantly of audiovisual materials, I never found this to be > the most useful way of indicating the extent to users either, but I suppose > it makes sense if youâre mainly dealing with consistently sized bankers > boxes and document cases and are measuring down the length of the shelves. > > > > If it were me, I would pretend the map drawers are oversized archival > boxes stacked flat on a shelf. I would first figure out how many drawers it > takes to make up 10 inches (the height of the average bankers box) and > divide the total number of drawers by that number. I would then multiply > that by the width of the drawers. > > > > So if 50 drawers are 2 inches high and 54 inches wide, this would be > equivalent to 10 ten-inch stacks of 5 boxes each or [(50/5) * 54] / 12 = > 45 linear feet. If you wanted to factor in that the drawers are > considerably deeper from front to back than a bankers box (15 inches), you > could do that too, but Iâm not sure that archivists worry about this when > calculating linear footage for oversized boxes. > > > > Not all archival boxes are completely full, and this doesnât impact the > total of linear feet, so I also wouldnât worry about whether a drawer is > full or not, just whether it had anything in it. > > > > Best, > > Ronda > > > > ---------------------------------------------- > > Ronda L. Sewald > > Cartographic Resources Cataloger > > Indiana University Libraries > > Herman B. Wells Library E350-87 > > 1320 E. 10th Street > > Bloomington, IN 47405 > > 812-855-2059 [log in to unmask] > > > > > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *Jeff Essic > *Sent:* Tuesday, October 11, 2022 5:22 PM > *To:* [log in to unmask] > *Subject:* Re: map collection measurement > > > > Reminds me of an old survey question that used to be asked for ALA > rankings -- the total number of digital data files! There were so many > problems with trying to answer that, it was just nonsense. > > > > Jeff Essic > > GIS and Data Librarian > North Carolina State University > D.H. Hill, Jr. Library; Data & Visualization Services > Box 7111, Raleigh, NC 27695-7111 > (919) 515-5698 > http://www.lib.ncsu.edu/gis > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__http%3A%2Fwww.lib.ncsu.edu%2Fgis__%3B!!HXCxUKc!x3P5fZSPJhM_jFAI7x7OYYLNo0kGw9kld6JMUFCl31fqOrKlgChlUiteN-pysStEqZ2qvjTovo6PLQnuWR6dnRM7tqLdPry907M%24&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706616688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=j7In8N8niSLGCaiZziK0s68v4h3ko3Edk9DoC40vZCk%3D&reserved=0> > > > > > > > > > > > > On Tue, Oct 11, 2022 at 4:24 PM Weessies, Kathleen <[log in to unmask]> > wrote: > > Yes, if a preposterous measurement is requested, then a preposterous > number should be provided. I propose that the maps be expressed as a > two-dimensional area in hectares. > > > > (# of maps) x (average size of a paper map) = size of collection > > 250,000 maps x (30â x 36â) x 6.4516e-8= 17.42 hectares or 43.04 acres > > > > However that doesnât measure the digital collection. > > > > Kathleen Weessies > > Social Sciences Coordinator; Head, Map Library > > Michigan State University > > [log in to unmask] > > > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *PJ Mode > *Sent:* Tuesday, October 11, 2022 2:03 PM > *To:* [log in to unmask] > *Subject:* Re: map collection measurement > > > > The Library of Congress has 5 million maps. Assuming the average map is 2 > feet wide, that's 10 feet of maps, or 1894 miles. Of course, that excludes > globes, terrain models, aerial photographs, etc. Maybe round up to 2000 > miles? > > > > PJ Mode > > ______________________ > > > > > > On Tue, Oct 11, 2022 at 1:45 PM Thomas, Craig K. <[log in to unmask]> > wrote: > > Hi Michael, > > > > Did they tell you *why* they want the information regarding the extent of > the sheet map collection expressed in terms of linear feet? > > > > Iâm assuming you store your maps flat. Could you fill a standard size > archival box with uncataloged maps on hand that are still folded and, based > on the number that fit into the box and the total number of maps in your > collection, extrapolate the number of linear feet? > > > > Best, > > > > Craig Thomas > > Senior Operations Cataloger > > Metadata Creation > > Harvard Library Information and Technical Services > > Email: [log in to unmask] > > 617-384-7158 > > 625 Massachusetts Avenue > > Cambridge, MA 02139 > > Hours : Mon-Fri, 11-7, on-site > > > > Craig Thomas > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *David Medeiros > *Sent:* Tuesday, October 11, 2022 12:51 PM > *To:* [log in to unmask] > *Subject:* Re: map collection measurement > > > > It is useful to know how many items are in a collection of maps. It is > useful to know how much territory the collection represents on the earth. > It is useful to know the range of topics covered by the collection. It is > useful to know date ranges and scale ranges of the collection. > > > > It is not useful to know the liner feet of the collection. Or its height. > Or its weight. Or its favorite color! ; ) > > > > *David Medeiros* > > Geospatial Reference & Instruction Specialist > > Stanford Geospatial Center > > 650.561.5294 > > @mapbliss > > > > SGC website: gis.stanford.edu > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__http%3A%2Fgis.stanford.edu__%3B!!HXCxUKc!1YGCVT0xbXT1glOkYfLNMCcelbnO6Du00AIfxoz-9LFoWzdm2dgvgpn3jFqqe_v3JUBPDqd9WQ%24&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706616688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=EVg%2BPHbA5iy7KrX6PwMNTsDVnhWI9WToOOorOlrHn%2BY%3D&reserved=0> > > GIS cartography: bit.ly/giscart > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__http%3A%2Fbit.ly%2Fgiscart__%3B!!HXCxUKc!1YGCVT0xbXT1glOkYfLNMCcelbnO6Du00AIfxoz-9LFoWzdm2dgvgpn3jFqqe_v3JUBX9FJyXw%24&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706616688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=flO02RCZ4uqErWCb8OcX7hRpEpua%2F40wFuvIP810huY%3D&reserved=0> > > GIS email list: bit.ly/GISlist > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__http%3A%2Fbit.ly%2FGISlist__%3B!!HXCxUKc!1YGCVT0xbXT1glOkYfLNMCcelbnO6Du00AIfxoz-9LFoWzdm2dgvgpn3jFqqe_v3JUCC922q4Q%24&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706616688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=WvbUOWm3kJZKKxgU7XRbRASXYcAYgD5iVUTWLHMuI0c%3D&reserved=0> > > > ------------------------------ > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> on behalf > of Fry, Michael <[log in to unmask]> > *Sent:* Tuesday, October 11, 2022 8:53 AM > *To:* [log in to unmask] <[log in to unmask]> > *Subject:* Re: map collection measurement > > > > Thanks, Rene. To clarify, I am explicitly *not* being asked for storage > space requirements (which I have provided), but rather the "extent" of the > collection. In linear feet. > > > > To be fair, I recognize that values like "15,000 sheets," while > numerically precise*, are somewhat abstract in their own way. Just as "6000 > linear feet of books" is precise, but also lacking in that it doesn't say > how many books that is, or how big they are, or how much floor space their > shelves occupy. All these measurements are contextual. But linear feet for > maps seems especially devoid of meaning as a useful unit of measurement. > Even the method Sierra mentioned (measured the depth of maps in a drawer, > count maps in said draw, multiply by number of drawers),which would produce > a valid (if highly estimated) number, seems misleading. Our map and atlas > collection occupies about 900 sq. feet, and contains about 15,000 sheets. > Stacked upon one another, the contents of my 135 drawers would presumably > be a few feet high. Let's say three or four. So maybe the same approx. > volume as my dresser. This is useful? > > > > * This, too, is an estimate since some of the collection is not cataloged > at the item level > > > > On Tue, Oct 11, 2022 at 11:19 AM Sayles Carlin, Rene <[log in to unmask]> wrote: > > Michael, > > I would not/could not describe the Geography and Map division collection > in that manner. > > > > I say 5.6 million maps and x number of drawers if asked for specifics. > > > > The LOC does describe many of their collections in linear feet. > > > > In my 31 years of service entirely in this division we have not. > > > > I would answerâŚIâm sorry, that is not how we âcalculateâ our collection. > We have never done so. I can give you a sheet count, and whatever else you > can provide. You canât give what you donât have. > > > > My Coworker thinks you are being asked for the âstorage spaceâ and not the > actual maps themselves. > > > > Rene Sayles, Collections Manager > > Geography and Map Division > > Library of Congress > > [log in to unmask] > > 202-707-8551 > > > > > > *From:* Maps-L: Map Librarians, etc. <[log in to unmask]> *On Behalf > Of *Fry, Michael > *Sent:* Tuesday, October 11, 2022 10:29 AM > *To:* [log in to unmask] > *Subject:* map collection measurement > > > > If your superiors asked you to describe the size/extent of your sheet map > collection, what would you say? In what unit(s) of measurement would you > provide an answer? > > > > I'm being pressured to answer the question in terms of linear feet--again, > for sheet maps--and can't get my head around that. The only way I can get > to "linear feet of maps" is to literally stack them on top of each other > and measure the height of the stack. Which, IMO, would be a ridiculous (and > meaningless) way to measure the size/extent of the collection. Much less > meaningful than # of sheets, or number of drawers, or even square feet (of > area occupied by map cases). > > > > I'm off to search the literature on this, but wondering what your thoughts > are. ? > > > > Thank you. > > mf > > > > -- > > *Michael Fry* > Collections Manager | Map Library Manager > National Geographic Society Library, Archives & Media Management > 202.807.3139 > > [log in to unmask] > > > > > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttp-3A__www.nationalgeographic.org%26d%3DDwMF-g%26c%3DWO-RGvefibhHBZq3fL85hQ%26r%3DZWK3IlwVEW_fexkUtst55PrRtdfPxG7MpuYg4nHRLSg%26m%3Dx8ZABpNoc74JpBztVTX6NSPS2l5UnGoU0LipoXsN9LOa5waZNcF-Nm8M8Xta_L65%26s%3D6WRSc3QiNyz4BRk3uPWPxbsY8Vzyq_FmY8X0h-KSA2E%26e%3D&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706616688%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=zWCnJ2Vz%2F6vQawVDlL06hj4EuHwER%2BIRsgKhYkFO1oc%3D&reserved=0> > > 1145 17th St., NW, Washington, DC 20036 > > > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__www.nationalgeographic.org%26d%3DDwMF-g%26c%3DWO-RGvefibhHBZq3fL85hQ%26r%3DZWK3IlwVEW_fexkUtst55PrRtdfPxG7MpuYg4nHRLSg%26m%3Dx8ZABpNoc74JpBztVTX6NSPS2l5UnGoU0LipoXsN9LOa5waZNcF-Nm8M8Xta_L65%26s%3D0E6ltKK3lbjYTeNQE1weeVE5haLh1wua78saXRuB8kY%26e%3D&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706772917%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=70vF9qIcV07EezV5OJiQsnPbFH%2Fv%2Berdg0wISi1wL8A%3D&reserved=0> > > > > > > > -- > > *Michael Fry* > Collections Manager | Map Library Manager > National Geographic Society Library, Archives & Media Management > 202.807.3139 > > [log in to unmask] > > > > > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttp-3A__www.nationalgeographic.org%26d%3DDwMF-g%26c%3DWO-RGvefibhHBZq3fL85hQ%26r%3DZWK3IlwVEW_fexkUtst55PrRtdfPxG7MpuYg4nHRLSg%26m%3Dx8ZABpNoc74JpBztVTX6NSPS2l5UnGoU0LipoXsN9LOa5waZNcF-Nm8M8Xta_L65%26s%3D6WRSc3QiNyz4BRk3uPWPxbsY8Vzyq_FmY8X0h-KSA2E%26e%3D&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706772917%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=4E7GIkp8JWsJ6NbAAklS6W8%2FR9110iEd9jTJfRrMlZA%3D&reserved=0> > > 1145 17th St., NW, Washington, DC 20036 > > > <https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.proofpoint.com%2Fv2%2Furl%3Fu%3Dhttps-3A__www.nationalgeographic.org%26d%3DDwMF-g%26c%3DWO-RGvefibhHBZq3fL85hQ%26r%3DZWK3IlwVEW_fexkUtst55PrRtdfPxG7MpuYg4nHRLSg%26m%3Dx8ZABpNoc74JpBztVTX6NSPS2l5UnGoU0LipoXsN9LOa5waZNcF-Nm8M8Xta_L65%26s%3D0E6ltKK3lbjYTeNQE1weeVE5haLh1wua78saXRuB8kY%26e%3D&data=05%7C01%7Cacope%40UWM.EDU%7Cbb4241fc9a144ae91fa008dab2031d07%7C0bca7ac3fcb64efd89eb6de97603cf21%7C0%7C0%7C638018023706772917%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=70vF9qIcV07EezV5OJiQsnPbFH%2Fv%2Berdg0wISi1wL8A%3D&reserved=0> > > > > -- Notice: Under Maine law, documents - including e-mails - in the possession of public officials or city employees about government business may be classified as public records. There are very few exceptions. As a result, please be advised that what is written in an e-mail could be released to the public and/or the media if requested.