42 28-31. Graphs showing: 28. Magnitude and frequency of annual low flows, Burlington Brook--------_--____________ 43 29. Maximum period of deficient discharge, Burlington Brook._________________________ 43 30. Storage required to maintain flows, Burlington Brook_______________________._ 44 31. Magnitude and frequency of floods, Burlington Brook__________________________ 44 32. Duration curve of daily flow, Park River__. ______--45 33-35. Graphs showing: 33. Magnitude and frequency of annual low flows, Park River.______________________ 46 34. Maximum period of deficient discharge, Park River________________________ 46 35. Storage required to maintain flows, Park RSver__ 36. Duration curve of daily flow, North Branch Park River. 37-39. Graphs showing: 37. Magnitude and frequency of annual low flows, North Branch Park River____________-38. Maximum period of deficient discharge, North Branch Park River__________________---_---_ 39. Storage required to maintain flows, North Brapch Park River____________________ 40. Duration curve of daily flow, South Branch Park River. _ 41-43. Graphs showing: 41. Magnitude and frequency of annual low flows, South Branch Park River..________-42. Maximum period of deficient discharge, South Branch Park River_________________-43. Storage required to maintain flows, South Branch Park River___________________ 44-46. Graphs showing magnitude and frequency of floods: 44. Park River____________.____..__... 45. North Branch Park River____.___________------46. South Branch Park River..._________...-55 47. Duration curve of daily flow, Hockanum River._.-___.-48-51. Graphs showing: 48. Magnitude and frequency of annual low flows, Hockanum River_______________ ._.-_ 49. Maximum period of deficient discharge, Hockanum River________________________ 50. Storage required to maintain flows, Honkanum River__ r ______________________ 58 51. Magnitude and frequency of floods, Hookanum River__________________________ 58 52. Cumulative frequency curves of yield of wells in sedimentary bedrock.__.____________.___.
Location and general features of the area...______________________ 3 Purpose of the investigation____________________________________ 4 Methods of study and scope of investigation ______________________ 5 Previous groundwater and geologic investigations _________________ 6 Acknowledgments. __________________________________________ 8 Well-numbering system ________________________________________ 10 Topography ______________________________________________________ Streams-_______________________________________________________ 12 Climate-_________________________________________________________ 14 Physiographic development_________________________________________ 16 Pre-Pleistocene history.________________________________________ 17 Pleistocene glaciation__________________________________________ 18 Post-Pleistocene history ______________________________________ Geology.__ _ ____________________________________________________ Descriptions and water-bearing properties of the geologic formations. Consolidated rocks_______________________________________ 22 Crystalline rocks of pre-Triassic age____________________ General character and extent______________________ Water-bearing properties ___________________________ Yields of wells. __ ______________________ Sedimentary rocks of Triassic age______________________ General character and extent___________________ Water-bearing properties___-___-__-___-__-______ 31 Factors causing areal variation in yield_____________ Igneous rocks of Triassic age__________________________ General character and extent_____________________ Water-bearing properties.________________________ Well construction________________________________ Unconsolidated deposits____________________________________ Ground-moraine deposits_________________________-___-_ General character and extent______________________ Water-bearing properties____-____________-_______ Ice-contact deposits__________________________________ General character and extent___________________ Water-bearing properties____-_-____-__-__-_-46 Ice-contact deposits in Glastonbury, Manchester, and Vernon_________________________________________ Ice-contact deposits in South Windsor and East Wind-sor_____________________________ Ice-contact deposits in Ellington and Somers______-49 in IV CONTENTS Geology Continued Descriptions and water-bearing properties of the geologic formations Continued Unconsolidated deposits Continued Page Outwash-plain, valley-train, and undifferentiated outwash deposits..- .-______________________________________ General character and extent______________________ Water-bearing properties___________________________ Buried outwash deposits in the preglacial channel of the Connecticut River_____-_-_-_-_-_-_-_-_-_-___-___-General character and extent______________________ Water-bearing properties___________________________ Glaciolacustrine and associated delta deposits_____________ General character and extent of the glaciolacustrine deposits______________________________________ Water-bearing properties of the glac...
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