Merge pull request #189 from mnfienen/main

Adding link to hyswap fixes #174

Author: mnfienen

SOME_HELPFUL_LINKS.md

@@ -29,6 +29,11 @@
 * [Groundwater Paper](https://ngwa.onlinelibrary.wiley.com/doi/abs/10.1111/gwat.12413)
 * [Another Groundwater Paper](https://ngwa.onlinelibrary.wiley.com/doi/10.1111/gwat.13259)
 
+### Accessing USGS Data
+* [hyswap](https://doi-usgs.github.io/hyswap/) Statistical analysis for hydrologic data.
+* [dataretrieval](https://github.com/DOI-USGS/dataretrieval-python) Accessing and analyzing USGS data through NWIS.
+
+
 ### Modflow-setup and SFRmaker
 * [Modflow-setup code and docs](https://github.com/doi-usgs/modflow-setup)
 * [Modflow-setup paper](https://www.frontiersin.org/articles/10.3389/feart.2022.903965/full)
@@ -45,4 +50,4 @@
 ### more general references
 * [numpy for matlab users](https://numpy.org/doc/stable/user/numpy-for-matlab-users.html)
 * [datetime formats](https://docs.python.org/3/library/datetime.html) (jump to the bottom of the page where it says "Format Codes")
-* [Jupyter Lab Getting Started](https://jupyterlab.readthedocs.io/en/stable/getting_started/overview.html)
+* [Jupyter Lab Getting Started](https://jupyterlab.readthedocs.io/en/stable/getting_started/overview.html)