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Legend (cgs_services/Aquifer_Study_Chaffee_County)

DWR Wells, Master Data (0)
PLSS_intersect (2)
Chaffee County border (3)
Towns (6)
Highways (7)
Lakes (8)
Rivers (9)
Trunk Trunk
Main Main
Tributary Tributary
Annual Precipitation (10)
8-10 8-10
10-12 10-12
12-14 12-14
14-16 14-16
16-18 16-18
18-20 18-20
20-22 20-22
22-24 22-24
24-26 24-26
26-28 26-28
28-30 28-30
30-32 30-32
32-34 32-34
34-36 34-36
36-38 36-38
38-40 38-40
Fault Symbology (12)
Downthrown side, where determined Downthrown side, where determined
Mapped Faults (13)
Approximately located Approximately located
Mapped Folds (14)
anticline anticline
syncline syncline
Alluvial aquifer wells (18)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Alluvial aquifer wells (low conf.) (19)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Terrace alluvium wells (21)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Terrace alluvium wells (low conf.) (22)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Glacial deposit wells (24)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Glacial deposit wells (low conf.) (25)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Other Quaternary deposit wells (27)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Other Quaternary deposit wells (low conf.) (28)
< 20 < 20
20 - 50 20 - 50
50 - 100 50 - 100
> 100 > 100
Quaternary alluvial aquifer (29)
Quaternary older terrace deposits (30)
Quaternary glacial deposits (31)
Quaternary deposits, undifferentiated (32)
Quaternary tallus and rock glaciers (33)
Dry Union Formation wells (35)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Dry Union Formation wells (low conf.) (36)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Dry Union intersecting alluvium (37)
Dry Union intersecting older terrace deposits (38)
Dry Union Fm_Other Sed (39)
Dry Union Fm & other Tertiary Sediments, outcrop Dry Union Fm & other Tertiary Sediments, outcrop
covered covered
Post-Laramide volcanic rock wells (42)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Post-Laramide volcanic rock wells (low conf.) (43)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Post-Laramide intrusive rock wells (45)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Post-Laramide intrusive rock wells (low conf.) (46)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Laramide intrusive rock wells (48)
200-400 200-400
Laramide intrusive rock wells (low conf.) (49)
< 100 < 100
Post-Laramide volcanic rocks intersecting alluvium (50)
Post-Laramide volcanic rocks (51)
outcrop outcrop
covered covered
Post-Laramide intrusive rocks intersecting alluvium (52)
Post-Laramide intrusive rocks (53)
outcrop outcrop
covered covered
Laramide intrusive rocks intersecting alluvium (54)
Laramide intrusive rocks (55)
outcrop outcrop
covered covered
Penn-Perm Formations wells (57)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Penn-Perm Formations intersecting alluvium (58)
Minturn Evaporite Facies (59)
Minturn Evaporite Facies intersecting alluvium (60)
Penn-Perm formations (61)
Penn-Perm Formations, outcrop Penn-Perm Formations, outcrop
Penn-Perm Formations, covered Penn-Perm Formations, covered
Older Paleozoic formations wells (63)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Older Paleozoic formations wells (low conf.) (64)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Older Paleozoic formations intersecting alluvium (65)
Older Paleozoic formations (66)
outcrop outcrop
covered covered
Precambrian igneous rock wells (68)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Precambrian metamorphic rock wells (69)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Precambrian metamorphic wells (low conf.) (70)
< 100 < 100
100 - 200 100 - 200
200 - 400 200 - 400
400 - 600 400 - 600
> 600 > 600
Precambrian bedrock intersecting alluvium (71)
Precambrian bedrock (72)
igneous rocks, outcrop igneous rocks, outcrop
metamorphic rock, outcrop metamorphic rock, outcrop
igneous rock, covered igneous rock, covered
metamorphic rock, covered metamorphic rock, covered
undifferentiated, covered undifferentiated, covered
Stiff Diagrams - All County (76)
Compiled All Aquifers (77)
Late Quaternary alluvium & outwash deposits Late Quaternary alluvium & outwash deposits
Older Quaternary alluvium & outwash deposits Older Quaternary alluvium & outwash deposits
Quaternary glacial till Quaternary glacial till
Quaternary talus and rock glaciers Quaternary talus and rock glaciers
Other Quaternary deposits Other Quaternary deposits
Tertiary gravel Tertiary gravel
Tertiary Dry Union Formation Tertiary Dry Union Formation
Tertiary Browns Canyon Formation Tertiary Browns Canyon Formation
Tertiary Tallahassee Creek Conglomerate Tertiary Tallahassee Creek Conglomerate
Post-Laramide volcanic rocks Post-Laramide volcanic rocks
Post-Laramide intrusive rocks Post-Laramide intrusive rocks
Laramide igneous rocks Laramide igneous rocks
Pennsylvanian-Permian Formations Pennsylvanian-Permian Formations
Older Paleozoic Formations Older Paleozoic Formations
Precambrian igneous rocks Precambrian igneous rocks
Precambrian metamorphic rocks Precambrian metamorphic rocks
Q_All_Wells_TDS (80)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
Q_All_Springs_TDS (81)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
Leader line Pie - Qal - all (83)
Pie - Qal - all (84)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Qao - all (86)
Pie - Qao - all (87)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Qdu - well (89)
Pie - Qdu - well (90)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Qgd - all (92)
Pie - Qgd - all (93)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Quaternary alluvial aquifer (95)
Quaternary older terrace deposits (97)
Quaternary deposits, undifferentiated (99)
Quaternary glacial deposits (101)
Quaternary tallus and rock glaciers (103)
Tdu_All_Wells_TDS (107)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
Tdu_All_Springs_TDS (108)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
Leader Line - Tdu - all (109)
Pie - Tdu - all (110)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Tdu - wells (112)
Pie - Tdu - wells (113)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Tdu - springs (115)
Pie - Tdu - springs (116)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Dry Union Fm intersecting alluvium (118)
Dry Union Fm intersecting older terraces (119)
Dry Union Fm & other Tertiary Sediments (120)
outcrop outcrop
covered covered
T_ig_undiff_All_Wells_TDS (122)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
T_ig_undiff_All_Springs_TDS (123)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
<600 <600
Leader Line - Tvu - spring (126)
Pie - Tvu - spring (127)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - Tiu - all (130)
Pie - Tiu - all (131)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Tertiary intrusives intersecting alluvium (133)
Tertiary intrusive rocks (134)
outcrop outcrop
covered covered
Tertiary volcanics intersecting alluvium (136)
Tertiary volcanic rocks (137)
outcrop outcrop
covered covered
Cretaceous intrusives intersecting alluvium (139)
Cretaceous intrusive rocks (140)
outcrop outcrop
covered covered
Penn-Perm formations intersecting alluvium (143)
Minturn evaporite facies (144)
Minturn Evaporite Facies intersecting alluvium (145)
Penn-Perm formations (146)
Penn-Perm Formations, outcrop Penn-Perm Formations, outcrop
covered covered
Older Paleozoic formations intersecting alluvium (148)
Older Paleozoic formations (149)
outcrop outcrop
covered covered
Leader Line - Xmu - springs (152)
Pie - Xmu - springs (153)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Leader Line - YXiu - wells (155)
Pie - YXiu - wells (156)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Precamb_All_Wells_TDS (158)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
>600 >600
Precamb_All_Springs_TDS (159)
<200 <200
200 - 399 200 - 399
400 - 499 400 - 499
500 - 599 500 - 599
<600 <600
Leader Line - Precambrian - all (160)
Pie - Precambrian - all (161)
Na Na
K K
Ca Ca
Mg Mg
Cl Cl
HCO3 HCO3
CO3 CO3
SO4 SO4
Intersecting alluvium (163)
Precambrian Bedrock (164)
Igneous rocks, outcrop Igneous rocks, outcrop
Metamorphic rock, outcrop Metamorphic rock, outcrop
Igneous rock, covered Igneous rock, covered
Metamorphic rock, covered Metamorphic rock, covered
Undifferentiated, covered Undifferentiated, covered
Wells: pH (167)
<6.5 <6.5
6.5-8.5 6.5-8.5
>8.5 >8.5
Springs: pH (168)
<6.5 <6.5
6.5-8.5 6.5-8.5
>8.5 >8.5
Wells: TDS (170)
<250 <250
250 - 500 250 - 500
500 - 600 500 - 600
>600 >600
Springs: TDS (171)
<250 <250
250 - 500 250 - 500
500 - 600 500 - 600
>600 >600
Wells: F (173)
<1.0 <1.0
1.0 - 2.0 1.0 - 2.0
2.0 - 4.0 2.0 - 4.0
4.0 - 6.0 4.0 - 6.0
>6.0 >6.0
Wells: F Not Detected (174)
Springs: F (175)
< 1.0 < 1.0
1.0 - 2.0 1.0 - 2.0
2.0- 4.0 2.0- 4.0
4.0 - 6.0 4.0 - 6.0
>6.0 >6.0
Springs: F No non-detects (176)
Wells: NO3 (178)
<5 <5
5 - 10 5 - 10
10 - 15 10 - 15
>15 >15
Wells: NO3 Not Detected (179)
Springs: NO3 (180)
<5 <5
5 - 10 5 - 10
10 - 15 10 - 15
>15 >15
Springs: NO3 Not Detected (181)
Fe_wells (183)
<0.10 <0.10
0.10 - 0.3 0.10 - 0.3
0.3 - 0.5 0.3 - 0.5
>0.5 >0.5
Wells: Fe Not Detected (184)
Fe_springs (185)
<0.10 <0.10
0.10 - 0.3 0.10 - 0.3
0.3 - 0.5 0.3 - 0.5
>0.5 >0.5
Springs: Fe Not Detected (186)
Wells: Mn (188)
< 0.02 < 0.02
0.02- 0.05 0.02- 0.05
0.05 - 0.6 0.05 - 0.6
>0.60 >0.60
Wells: Mn Not Detected (189)
Mn_springs (190)
< 0.02 < 0.02
0.02- 0.05 0.02- 0.05
0.05 - 0.6 0.05 - 0.6
>0.60 >0.60
Springs: Mn Not Detected (191)
U_wells (193)
<0.01 <0.01
0.01- 0.03 0.01- 0.03
0.03 - 0.04 0.03 - 0.04
>0.04 >0.04
Wells: U Not Detected (194)
Springs: U (195)
<0.01 <0.01
0.01- 0.03 0.01- 0.03
0.03 - 0.04 0.03 - 0.04
>0.04 >0.04
Springs: U No non-detects (196)
Compiled All Aquifers (197)
Late Quaternary alluvium & outwash deposits Late Quaternary alluvium & outwash deposits
Older Quaternary alluvium & outwash deposits Older Quaternary alluvium & outwash deposits
Quaternary glacial till Quaternary glacial till
Quaternary talus and rock glaciers Quaternary talus and rock glaciers
Other Quaternary deposits Other Quaternary deposits
Tertiary gravel Tertiary gravel
Tertiary Dry Union Formation Tertiary Dry Union Formation
Tertiary Browns Canyon Formation Tertiary Browns Canyon Formation
Tertiary Tallahassee Creek Conglomerate Tertiary Tallahassee Creek Conglomerate
Post-Laramide volcanic rocks Post-Laramide volcanic rocks
Post-Laramide intrusive rocks Post-Laramide intrusive rocks
Laramide igneous rocks Laramide igneous rocks
Pennsylvanian-Permian Formations Pennsylvanian-Permian Formations
Older Paleozoic Formations Older Paleozoic Formations
Precambrian igneous rocks Precambrian igneous rocks
Precambrian metamorphic rocks Precambrian metamorphic rocks