The MaNDala-wise distribution of the names of the rivers in the Rigveda

Rigvedic Rivers
The MaNDala-wise distribution of the names of the rivers in the Rigveda is as follows:

Early MaNDala I
SarasvatI : I.3.10-12.
Middle MaNDala I
SarasvatI : I.89.3. Sindhu : I.83.1.
General and Late MaNDala I
GaurI : I.164.4.
RasA : I. 112.12.
Sindhu : I.44.12; 122.6; 126.1; 186.5 (plus the references to the Sindhu in the refrain of the Kutsas in the last verses of I.94-96, 98, 100-103, 105-115).
SarasvatI : I.13.9; 142.9; 164.49, 52; 188.8
JahnAvI : I.116.19. (Ganga)
MaNDala II
SarasvatI : II.1.11; 3.8; 30.8; 32.8; 41.16-18.
MaNDala III
VipAS: III.33.1.
SutudrI: III.33.1.
SarasvatI: III.4.8; 23.4; 54.13.
DRSadvatI: III.23.4,
ApayA: III.23.4.
JahnAvI: III.58.6. (Ganga)
MaNDala IV
Sarayu: IV.30.18.
KuSavA: IV.18.8.
Sindhu: IV.30.12; 54.6; 55.3.
ParuSNI: IV.22.2.
VipAS: IV.30.11.
RasA: IV.43.6.
MaNDala V
Sarayu: V.53.9.
KubhA: V.53.9.
Krumu: V.53.9.
AnitabhA: V.53.9.
RasA: V.41.15; 53.9.
Sindhu: V.53.9.
ParuSNI: V.52.9.
SarasvatI: V.5.8; 42.12; 43.11; 46.2,
YamunA: V.52.17.
MaNDala VI
SarasvatI: VI.49.7; 50.12. 52.6; 61.1-7, 10-11, 13-14
HariyUpIyA: VI.27.5.
YavyAvatI: VI.27.6.
GaNgA: VI.45.31.
MaNDala VII
AsiknI: VII.5.3.
ParuSNI: VII.18.8, 9.
SarasvatI: VII.2.8; 9.5; 35.11; 36.6; 39.5; 40.3; 95.1-2, 4-6; 96.1, 3-6.
YamunA: VII.18.19.
MaNDala VIII
GomatI: VIII.24.30.
SvetyAvarI: VIII.26.18.
SuvAstu: VIII.19.37.
Prayiyu: VIII.19.37.
Vayiyu: VIII.19.37.
Sindhu: VIII.12.3; 20.24, 25; 25.14; 26.18, 72.7.
ArjIkIyA: VIII.7.29; 64.11.
SuSomA: VIII.7.29; 64.11.
AsiknI: VIII.20.25.
ParuSNI: VIII.75.15.
SarasvatI: VIII.21.17, 18; 38.10; 54.4
AMSumatI: VIII.96.13.
RasA: VIII.72.13.
MaNDala IX
Sindhu: IX.97.58.
ArjIkIyA: IX.65.23.
SarasvatI: IX.5.8; 67.32; 81.4.
RasA: IX.41.6.
MaNDala X
Sarayu: X.64.9.
GomatI: X.75.6.
Mehatnu: X.75.6.
KubhA: X.75.6.
Krumu: X.75.6.
Sveti: X.75.6.
RasA: X.75.6; 108.1, 2; 121.4.
Susartu: X.75.6.
TRSTAmA: X.75.6.
Sindhu: X.64.9; 65.13; 66.11; 75.1, 3-4, 6-9.
ArjIkIyA: X.75.5.
SuSomA: X.75.5.
VitastA: X.75.5.
MarudvRdhA: X.75.5.
AsiknI: X.75.5.
ParuSNI: X.75.5.
SutudrI: X.75.5.
SarasvatI: X.17.7-9; 30.12; 64.9; 65.1,13; 66.5; 75.5; 110.8; 131.5; 141.5; 184.2
ASmanvatI: X.53.8.
YamunA: X.75.5.
GaNgA: X.75.5.
Reference:- Rigveda: A Historical Analysis by SHRIKANT G. TALAGERI.