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<br />Federal Register I Vol. 48. No. 190 I Thursday, September 29, 1983 I Notices <br /> <br />should be identified. In most ca~....) a <br />range of knowlegeable professionals <br />drClwn from the preservation. rlanning <br />lllld llcadl~rl1ic COll1rnlll\ilil'~ wdl be- <br />available to-assist in defining contexts <br />and in identif,y'ing sources of <br />information. In other cases, however, <br />development of historic contexts may <br />occur in areas whose history or <br />prehistory has not been extensively <br />studied. In these situations, broad <br />general historic contexts should be <br />initially identified using available <br />literature and expertise. with the <br />expectation that the contexts will be <br />revised and subdivided in the future as <br />primary source research and field <br />survey are conducted. It is also <br />important to identify such sources of <br />information as existing planning da la, <br />which is needed to establish goals for <br />identification, evaluation, and <br />treatment. and to identify factors that <br />will affect attainment of those goals. <br />The same approach for obtaining <br />information is not necessarily desirable <br />for aU historic contexts. Information <br />should not be gathered without first <br />cons\dering its relative importance to <br />the historic context. the cost and time <br />invo'lved, and the expertise required to <br />(,ht.lin it. In many c<J~cs. for example. <br />published sources may be used in <br />writing initial definitions of historic <br />contexts; archival research or field work <br />may be needed for subsequent activities. <br />b. Assessing information: All <br />information should be reviewed to <br />identify bias in historic perspective, <br />methodological approach, or area of <br />coverage, For exampl~, field surveys for <br />archeological sites may have ignored <br />historic archelolgical sites, or county <br />land use plans may have emphasized <br />only development goals, <br /> <br />3. Synthesize information <br /> <br />The information collection and <br />analysis results in a written narrative of <br />the historic context. This narrative <br />provides a detailed synthesis of the data <br />that have been collected and analyzed. <br />The narrative covers the history of the <br />atea from the chosen perspective and <br />identifies important patterns, events, <br />persons or culfurnl values. In the <br />process of identifying the important <br />patterns, one should consider: <br /><l. Trends in areA settlement and <br />uevelopment, if relevant: <br />b. Aesthetic and nrtistic valtlc~ <br />embodied in architecture. construction <br />technology or craftsmanship: <br />c. Research values or problems <br />relevant to the historic context; social <br />Rnd physical sciences and humanities: <br />Bnd cultural interests of loc.al <br />communities; and <br /> <br />d. Intangible cultur.d values of ethnl~ <br />groups and native American peoples. <br /> <br />4. Dt'fin/.' I'mpl'rfy tYliI's <br /> <br />A projJl~rty type is Ii grouping of <br />individual properties bused un shared <br />physical or associative characteristics, <br />Property types link the ideas <br />incorporated in the theoretical historic <br />context with actual historic pruperties <br />that illustrate those ideas. Property <br />types defined for each historic context <br />should be directly related to the <br />conceptual basis of the historic context. <br />Property Iypes defined for the hi~toric <br />context "Coal r-.lining in Northeastern <br />Pennsylvania. 1860--1930" might include <br />coal extraction and processing <br />.complexes: railroad and canal <br />transportation systems: ccmmercial <br />districts; mine workers' housing; <br />churches, social clubs and other <br />community facilities reflecting the ethnic <br />origins of workers: and residenct~s and <br />other properties associated with mine <br />owners and other industrialists. <br />a. IdentIfy property types: The <br />narrative should discuss the kinds of <br />properties expected within the <br />geographical limits of the context and <br />group them into those properly types <br />most llseful in rcpresCllting important <br />historic trends. <br />Generally. property types should be <br />deEned after the historic context has <br />been defIned, Property types in common <br />usage ("Queen Anne houses," "mill <br />buildings," or "stratified sites") should <br />110t be adopted without firsl verifying <br />their relevance to the historic contexts <br />bein::l used. <br />b. Characterize the ]o(:(Jlionof <br />patterns of property types: <br />Generalizations about where particular <br />types of properties are likely to be found <br />can serve as a guide for identification <br />and treatment. Generalizations about <br />the distribution of archeological <br />propert.ies are frequently used. The <br />distribution of other historic properties <br />often can be estimated based on <br />recognizable historical. environmental <br />or culturul factors that determined their <br />location, Locational patterns of property <br />types should be based upon models that <br />have on explicit theoretical or historical <br />basis and cilh be tested in the field. The <br />model may be the product of historical <br />research and analY:Jis ("Prior to <br />widespread use of stearn puwn. mills <br />were located un rivers and streams uole <br />to produce water power" or "plantiltion <br />houses in the Mississippi nJack Delt <br />were located on sandy clay knulls"). or <br />it may result from sampling techniques. <br />Often the results of statistically valid <br />sample surveys can be used to describe <br />the locationai patterns of a <br />repre!lentative portion of prope~tie8 <br /> <br />44719 <br /> <br />belonging to a particular property type. <br />Other surveys can also provide a basis <br />for .';lJgRe~.lin1<': loeational piltlCrtl:l: if a <br />div(:r;iity of histuric propertie:J was <br />recorded and n variety of environmental <br />zone:') was inspected, It i~ likely that the <br />identification of lacational patterns will <br />come from a combination of these <br />sources. Expected or predicted <br />IDeational pallerns of property types. <br />should be developed with a provisiun <br />maue for their verification. <br />c. Churocferize the current condition <br />of property types: The expected <br />condition of property types should be <br />evaluated to assist in the development <br />of identification, evaluation and <br />treatment strategies, and to help define <br />physical integrity thresholds for various <br />property types, The following should be <br />assessed for each proIJf:~rty type: <br />(1) Inherent characteristics of a <br />property type that either contribute to or <br />detract from its physical preservation, <br />For example. a property type commonly <br />constructed of fragile materials is more <br />likely to be deteriorated than 8 property <br />type constructed of durable materials-; <br />structures whose historic function or <br />design limits the potential for alterna.tive <br />uses (water towers} are less likely to be <br />reused than structures whose design <br />allows a wider variety of other uses <br />(commercial buildings or warehouses). <br />(2J Aspects of the social and natural <br />environment that may affect the <br />preservation or visibility of the property <br />lype. Fur example, cornrnunily values <br />placed on certain types of properties <br />(churches. historic cemeteries) may <br />result in their maintenance while the <br />need to reuse valuable materials may <br />stimulate the disappearance of <br />properties like abandoned houses and <br />barns, <br />H may be most efficient to estimate of <br />the condition of property types based on <br />professional knowledge of existing <br />properties and field test the'le estimates <br />using a small sample of properties <br />representative of each type, <br /> <br />5. IdentIfy information needs <br /> <br />Filling gaps in information is an <br />important element of the preservation <br />plnn designed for each historic context. <br />Statements of the information needed <br />should be as specific as possible, <br />focusin;.: on lhe information need(~d. the <br />historic context lJnd property types it <br />upplies to, ilml why the information is <br />needed to perform identification, . <br />evaluation, or treatment activities. <br /> <br />Developing Goals for a Historic Context <br /> <br />Developing Coals <br /> <br />A goal is a statement of preferred <br />preservation activities. whicb is <br /> <br />-~~y,'. <br />. ){,;~:;t2!:~'? <br /> <br />. ."-_"--',.-__..,.4.._;;.:,"_,""".,,, "...<OrJ...:...-... _.,,_ _.-~. .......;.:..~:.::'._~ <br />