Official Series Description


Lab Data Summary

Aggregate lab data for the MOUNT LUCAS soil series. This aggregation is based on all pedons with a current taxon name of MOUNT LUCAS, and applied along 1-cm thick depth slices. Solid lines are the slice-wise median, bounded on either side by the interval defined by the slice-wise 5th and 95th percentiles. The median is the value that splits the data in half. Five percent of the data are less than the 5th percentile, and five percent of the data are greater than the 95th percentile. Values along the right hand side y-axis describe the proportion of pedon data that contribute to aggregate values at this depth. For example, a value of "90%" at 25cm means that 90% of the pedons correlated to MOUNT LUCAS were used in the calculation. Source: KSSL snapshot . Methods used to assemble the KSSL snapshot used by SoilWeb / SDE

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Pedons used in the lab summary:

MLRALab IDPedon IDTaxonnameCINSSL / NASIS ReportsLink To SoilWeb GMap
14861PA0010161961PA001016Mount Lucas4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties39.8438889,-77.1825
14861PA0010171961PA001017Mount Lucas4Primary | Supplementary | Taxonomy | Pedon | Water Retention | Correlation | Andic Soil Properties39.9363889,-77.0752778

Water Balance

Monthly water balance estimated using a leaky-bucket style model for the MOUNT LUCAS soil series. Monthly precipitation (PPT) and potential evapotranspiration (PET) have been estimated from the 50th percentile of gridded values (PRISM 1981-2010) overlapping with the extent of SSURGO map units containing each series as a major component. Monthly PET values were estimated using the method of Thornthwaite (1948). These (and other) climatic parameters are calculated with each SSURGO refresh and provided by the fetchOSD function of the soilDB package. Representative water storage values (“AWC” in the figures) were derived from SSURGO by taking the 50th percentile of profile-total water storage (sum[awc_r * horizon thickness]) for each soil series. Note that this representation of “water storage” is based on the average ability of most plants to extract soil water between 15 bar (“permanent wilting point”) and 1/3 bar (“field capacity”) matric potential. Soil moisture state can be roughly interpreted as “dry” when storage is depleted, “moist” when storage is between 0mm and AWC, and “wet” when there is a surplus. Clearly there are a lot of assumptions baked into this kind of monthly water balance. This is still a work in progress.

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Sibling Summary

Siblings are those soil series that occur together in map units, in this case with the MOUNT LUCAS series. Sketches are arranged according to their subgroup-level taxonomic structure. Source: SSURGO snapshot , parsed OSD records and snapshot of SC database .

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Select annual climate data summaries for the MOUNT LUCAS series and siblings. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data .

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Geomorphic description summaries for the MOUNT LUCAS series and siblings. Series are sorted according to hierarchical clustering of proportions and relative hydrologic position within an idealized landform (e.g. top to bottom). Most soil series (SSURGO components) are associated with a hillslope position and one or more landform-specific positions: hills, mountain slopes, terraces, and/or flats. Proportions can be interpreted as an aggregate representation of geomorphic membership. The values printed to the left (number of component records) and right (Shannon entropy) of stacked bars can be used to judge the reliability of trends. Small Shannon entropy values suggest relatively consistent geomorphic association, while larger values suggest lack thereof. Source: SSURGO component records .

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Competing Series

Soil series competing with MOUNT LUCAS share the same family level classification in Soil Taxonomy. Source: parsed OSD records and snapshot of the SC database .

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Select annual climate data summaries for the MOUNT LUCAS series and competing. Series are sorted according to hierarchical clustering of median values. Source: SSURGO map unit geometry and 1981-2010, 800m PRISM data .

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Geomorphic description summaries for the MOUNT LUCAS series and competing. Series are sorted according to hierarchical clustering of proportions and relative hydrologic position within an idealized landform (e.g. top to bottom). Proportions can be interpreted as an aggregate representation of geomorphic membership. Most soil series (SSURGO components) are associated with a hillslope position and one or more landform-specific positions: hills, mountain slopes, terraces, and/or flats. The values printed to the left (number of component records) and right (Shannon entropy) of stacked bars can be used to judge the reliability of trends. Shannon entropy values close to 0 represent soil series with relatively consistent geomorphic association, while values close to 1 suggest lack thereof. Source: SSURGO component records .

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Click the image to view it full size.

There are insufficient data to create the 3D mountains figure.

There are insufficient data to create the 3D terrace figure.

There are insufficient data to create the 3D flats position figure.

Soil series sharing subgroup-level classification with MOUNT LUCAS, arranged according to family differentiae. Hovering over a series name will print full classification and a small sketch from the OSD. Source: snapshot of SC database .

Block Diagrams

Click a link below to display the diagram. Note that these diagrams may be from multiple survey areas.

  1. MD-2010-09-10-04 | Cecil County -

    Neshaminy-Montalto-Chrome-Watchung association (Soil Survey of Cecil County, Maryland).

  2. PA-2010-09-30-02 | Adams County - 2005

    Typical pattern of soils and parent material in the Lehigh-Neshiminy general soil map unit (Soil Survey of Adams County, Pennsylvania; 2005).

  3. PA-2012-03-12-26 | Bucks and Philadelphia Counties - July 1975

    Typical pattern of soils and underlying material in the Towhee-Neshaminy-Mount Lucas soil association (Soil Survey of Bucks and Philadelphia Counties County, PA; 1975).

  4. PA-2012-03-13-73 | Montgomery County - April 1967

    Typical landscape in association 7 showing the pattern of soils and their relationship to the underlying material. Some of the major soils in association 8 are also included (Soil Survey of Montgomery County, PA; 1967).

Map Units

Map units containing MOUNT LUCAS as a major component. Limited to 250 records.

Map Unit Name Symbol Map Unit Area (ac) Map Unit Key National Map Unit Symbol Soil Survey Area Publication Date Map Scale
Mount Lucas-Urban land complex, 0 to 8 percent slopesMzuB60224798782p7j2de00320091:24000
Mount Lucas silt loam, 3 to 8 percent slopesMzB46524798722p7hwde00320091:24000
Mount Lucas silt loam, 0 to 3 percent slopesMzA30424798712p7hvde00320091:24000
Mount Lucas-Urban land complex, 0 to 8 percent slopesMsB223024052152lqtlmd00520101:12000
Mount Lucas silt loam, 3 to 8 percent slopesMpB76624052082lqtcmd00520101:12000
Mount Lucas silt loam, 8 to 15 percent slopes, stonyMrC37524052142lqtkmd00520101:12000
Mount Lucas silt loam, 3 to 8 percent slopes, stonyMrB19324052132lqtjmd00520101:12000
Mount Lucas silt loam, 0 to 3 percent slopesMpA13924812062p8wxmd00520101:12000
Mount Lucas silt loam, 3 to 8 percent slopes, very stonyMoB5724960182ptn1md01320101:12000
Mount Lucas silt loam, 3 to 8 percent slopesMzB173224407322mxs9md01520091:12000
Mount Lucas silt loam, 0 to 3 percent slopesMzA28724407312mxs8md01520091:12000
Mount Lucas silt loam, 3 to 8 percent slopes, stonyMoB152793442vmmxmd02720041:12000
Mount Lucas silt loam, 8 to 15 percent slopes, stonyMoC110793443vmmymd02720041:12000
Mount Lucas-Watchung silt loams, 0 to 6 percent slopes, very stonyMopBb3323548634ldwwnj01919701:24000
Neshaminy-Mount Lucas silt loams, 6 to 12 percent slopes, very stonyNemCb307814784771lmgtnj01919701:24000
Mount Lucas silt loam, 2 to 6 percent slopesMonB431548633ldwvnj01919701:24000
Lawrenceville and Mount Lucas silt loams, 2 to 6 percent slopesLDXB9631351624jn2nj02119691:24000
Mount Lucas silt loam, 0 to 6 percent slopes, very stonyMonBb6061351774jnknj02119691:24000
Lawrenceville and Mount Lucas silt loams, 2 to 6 percent slopes, erodedLDXB23971351634jn3nj02119691:24000
Lawrenceville and Mount Lucas silt loams, 6 to 12 percent slopes, erodedLDXC23061351644jn4nj02119691:24000
Mount Lucas and Neshaminy soils, 0 to 12 percent slopes, very rubblyMORCE2211351794jnmnj02119691:24000
Neshaminy-Mount Lucas silt loams, 6 to 12 percent slopes, very stonyNemCb1161351034jl5nj02119691:24000
Lawrenceville and Mount Lucas silt loams, 0 to 2 percent slopesLDXA1021351614jn1nj02119691:24000
Mount Lucas silt loam, 6 to 12 percent slopes, very stonyMonCb981351784jnlnj02119691:24000
Mount Lucas-Watchung silt loams, 0 to 6 percent slopes, very stonyMopBb791351014jl3nj02119691:24000
Neshaminy-Mount Lucas silt loams, 12 to 18 percent slopes, very stonyNemDb171351044jl6nj02119691:24000
Mount Lucas-Watchung silt loams, 6 to 12 percent slopes, very stonyMopCb141351024jl4nj02119691:24000
Mount Lucas silt loam, 2 to 6 percent slopesMonB51351004jl2nj02119691:24000
Mount Lucas silt loam, 0 to 6 percent slopes, very stonyMonBb97614551751kv74nj02319851:24000
Mount Lucas silt loam, 0 to 2 percent slopesMonA51014551731kv72nj02319851:24000
Mount Lucas silt loam, 2 to 6 percent slopesMonB42014551741kv73nj02319851:24000
Mount Lucas-Watchung silt loams, 6 to 12 percent slopes, very stonyMopCb2114551791kv78nj02319851:24000
Neshaminy-Mount Lucas silt loams, 6 to 12 percent slopes, very stonyNemCb8606542nc4wnj02319851:24000
Neshaminy-Mount Lucas silt loams, 6 to 12 percent slopes, very stonyNemCb901914050541j52bnj03519721:24000
Mount Lucas-Watchung silt loams, 6 to 12 percent slopes, very stonyMopCb615914050481j524nj03519721:24000
Neshaminy-Mount Lucas silt loams, 12 to 18 percent slopes, very stonyNemDb424514050551j52cnj03519721:24000
Mount Lucas silt loam, 2 to 6 percent slopesMonB176114050451j521nj03519721:24000
Mount Lucas gravelly silt loam, 6 to 12 percent slopesMooC40714050461j522nj03519721:24000
Mount Lucas-Watchung silt loams, 0 to 6 percent slopes, very stonyMopBb10514050471j523nj03519721:24000
Mount Lucas silt loam, 3 to 8 percent slopesMdB4620545616l9rjpa00119911:24000
Mount Lucas silt loam, 0 to 3 percent slopesMdA1639545615l9rhpa00119911:24000
Mount Lucas silt loam, 0 to 8 percent slopes, very boulderyMeB447545617l9rkpa00119911:24000
Mount Lucas silt loam, 3 to 8 percent slopesMlB351543050l72rpa01119971:24000
Mount Lucas silt loam, 0 to 8 percent slopes, extremely stonyMmB177543051l72spa01119971:24000
Mount Lucas silt loam, 0 to 8 percent slopes, extremely stonyMmB7057543684l7r6pa01719971:24000
Mount Lucas silt loam, 3 to 8 percent slopesMlB3374543682l7r4pa01719971:24000
Mount Lucas silt loam, 8 to 25 percent slopes, extremely stonyMmD2296543685l7r7pa01719971:24000
Mount Lucas silt loam, 0 to 3 percent slopesMlA858543681l7r3pa01719971:24000
Mount Lucas silt loam, 8 to 15 percent slopesMlC539543683l7r5pa01719971:24000
Mount Lucas silt loam, 3 to 8 percent slopesMlB2833815449wcjtpa02920081:24000
Mount Lucas silt loam, 0 to 3 percent slopesMlA375893121yzccpa02920081:24000
Mount Lucas silt loam, 0 to 8 percent slopes, extremely stonyMnB321815450wcjvpa02920081:24000
Mount Lucas silt loam, 8 to 15 percent slopesMlC41893122yzcdpa02920081:24000
Urban land-Mount Lucas complex, 0 to 8 percent slopesUrtB2716843721tjqlpa02920081:24000
Mount Lucas very stony silt loam, 3 to 12 percent slopesMeB2029542782l6t3pa07119821:15840
Mount Lucas silt loam, 3 to 8 percent slopesMdB1001542781l6t2pa07119821:15840
Mount Lucas silt loam, 3 to 8 percent slopes1MlB3557332lpygpa07119821:15840
Mount Lucas extremely stony silt loam, 3 to 8 percent slopesMsB552541315l58spa07519761:20000
Mount Lucas silt loam, 3 to 8 percent slopesMoB353541314l58rpa07519761:20000
Mount Lucas silt loam, 3 to 8 percent slopesMlB16543173l76qpa07719971:24000
Mount Lucas silt loam, 8 to 15 percent slopesMlC4543174l76rpa07719971:24000
Mount Lucas silt loam, 3 to 8 percent slopesMoB235123737822kp3mpa09120081:12000
Mount Lucas silt loam, 0 to 8 percent slopes, extremely stonyMpB231123737802kp3kpa09120081:12000
Mount Lucas silt loam, 8 to 25 percent slopes, extremely stonyMpD167023771182ksl7pa09120081:12000
Mount Lucas silt loam, 8 to 15 percent slopesMoC40223737832kp3npa09120081:12000
Mount Lucas silt loam, 0 to 3 percent slopesMoA217541217l55mpa09120081:12000
Mount Lucas silt loam, 3 to 8 percent slopesMdB1758542903l6y0pa13319901:24000
Mount Lucas silt loam, 0 to 8 percent slopes, very boulderyMeB923542904l6y1pa13319901:24000
Mount Lucas silt loam, 0 to 3 percent slopesMdA438542902l6xzpa13319901:24000
Mount Lucas silt loam, 2 to 7 percent slopes57B11105164162xxyfva00319811:15840
Mount Lucas loam, 0 to 2 percent slopes70A1747189537321m92va06120061:12000

Map of Series Extent

Approximate geographic distribution of the MOUNT LUCAS soil series. To learn more about how this distribution was mapped, or to compare this soil series extent to others, use the Series Extent Explorer (SEE) application. Source: generalization of SSURGO geometry .