diff --git a/docs/news/index.html b/docs/news/index.html
index af13b37..836f289 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -3,7 +3,7 @@
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
 <![endif]--></head><body data-spy="scroll" data-target="#toc">
-
+    
 
     <div class="container template-news">
       <header><div class="navbar navbar-default navbar-fixed-top" role="navigation">
@@ -28,7 +28,7 @@
 <li class="dropdown">
   <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
     Articles
-
+     
     <span class="caret"></span>
   </a>
   <ul class="dropdown-menu" role="menu"><li>
@@ -47,14 +47,14 @@
       </ul><ul class="nav navbar-nav navbar-right"><li>
   <a href="https://github.com/nationalparkservice/QCkit/" class="external-link">
     <span class="fab fa-github fa-lg"></span>
-
+     
   </a>
 </li>
       </ul></div><!--/.nav-collapse -->
   </div><!--/.container -->
 </div><!--/.navbar -->
 
-
+      
 
       </header><div class="row">
   <div class="col-md-9 contents">
@@ -65,7 +65,7 @@ <h1 data-toc-skip>Changelog <small></small></h1>
 
     <div class="section level2">
 <h2 class="page-header" data-toc-text="0.1.8" id="qckit-v018-not-yet-released">QCkit v0.1.8 (not yet released)<a class="anchor" aria-label="anchor" href="#qckit-v018-not-yet-released"></a></h2>
-<p>2024-06-27 * bug fixes for <code><a href="../reference/generate_ll_from_utm.html">generate_ll_from_utm()</a></code> * add function <code><a href="../reference/remove_empty_tables.html">remove_empty_tables()</a></code> (and associated unit tests) * update documentation for <code>replace blanks()</code> to indicate it can replace blanks with more than just NA</p>
+<p>2024-06-28 * Updated <code><a href="../reference/get_park_polygon.html">get_park_polygon()</a></code> to use the new API (had been using a legacy API). Added documentation to specify that the function is getting the convexhull for the park, which may not work particularly well for some parks. 2024-06-27 * bug fixes for <code><a href="../reference/generate_ll_from_utm.html">generate_ll_from_utm()</a></code> * add function <code><a href="../reference/remove_empty_tables.html">remove_empty_tables()</a></code> (and associated unit tests) * update documentation for <code>replace blanks()</code> to indicate it can replace blanks with more than just NA</p>
 </div>
     <div class="section level2">
 <h2 class="page-header" data-toc-text="0.1.7" id="qckit-v017">QCkit v0.1.7<a class="anchor" aria-label="anchor" href="#qckit-v017"></a></h2>
@@ -167,10 +167,10 @@ <h2 class="page-header" data-toc-text="0.1.0.0" id="qckit-0100">QCkit 0.1.0.0<a
 
       </footer></div>
 
+  
 
 
-
-
+  
 
   </body></html>
 
diff --git a/docs/pkgdown.yml b/docs/pkgdown.yml
index 96f20dc..c6ecf10 100644
--- a/docs/pkgdown.yml
+++ b/docs/pkgdown.yml
@@ -5,7 +5,5 @@ articles:
   DRR_Purpose_and_Scope: DRR_Purpose_and_Scope.html
   Starting-a-DRR: Starting-a-DRR.html
   Using-the-DRR-Template: Using-the-DRR-Template.html
-
-last_built: 2024-06-27T19:41Z
-
+last_built: 2024-06-28T15:11Z
 
diff --git a/docs/reference/convert_datetime_format.html b/docs/reference/convert_datetime_format.html
index 039e2c7..640a906 100644
--- a/docs/reference/convert_datetime_format.html
+++ b/docs/reference/convert_datetime_format.html
@@ -3,7 +3,7 @@
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
 <![endif]--></head><body data-spy="scroll" data-target="#toc">
-
+    
 
     <div class="container template-reference-topic">
       <header><div class="navbar navbar-default navbar-fixed-top" role="navigation">
@@ -28,7 +28,7 @@
 <li class="dropdown">
   <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
     Articles
-
+     
     <span class="caret"></span>
   </a>
   <ul class="dropdown-menu" role="menu"><li>
@@ -47,14 +47,14 @@
       </ul><ul class="nav navbar-nav navbar-right"><li>
   <a href="https://github.com/nationalparkservice/QCkit/" class="external-link">
     <span class="fab fa-github fa-lg"></span>
-
+     
   </a>
 </li>
       </ul></div><!--/.nav-collapse -->
   </div><!--/.container -->
 </div><!--/.navbar -->
 
-
+      
 
       </header><div class="row">
   <div class="col-md-9 contents">
@@ -84,7 +84,7 @@ <h2>Arguments</h2>
 </dl></div>
     <div id="value">
     <h2>Value</h2>
-
+    
 
 <p>A character vector of date/time format strings that can be parsed by <code>readr</code> or <code>strptime</code>.</p>
     </div>
@@ -119,10 +119,10 @@ <h2>Examples</h2>
 
       </footer></div>
 
+  
 
 
-
-
+  
 
   </body></html>
 
diff --git a/docs/reference/get_park_polygon.html b/docs/reference/get_park_polygon.html
index 0235462..346f7ed 100644
--- a/docs/reference/get_park_polygon.html
+++ b/docs/reference/get_park_polygon.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Retrieve the polygon information for the park unit from NPS REST services — get_park_polygon • QCkit</title><!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js" integrity="sha512-v2CJ7UaYy4JwqLDIrZUI/4hqeoQieOmAZNXBeQyjo21dadnwR+8ZaIJVT8EE2iyI61OV8e6M8PP2/4hpQINQ/g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script><!-- Bootstrap --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous"><script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script><!-- bootstrap-toc --><link rel="stylesheet" href="../bootstrap-toc.css"><script src="../bootstrap-toc.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="../pkgdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Retrieve the polygon information for the park unit from NPS REST services — get_park_polygon"><meta property="og:description" content="get_park_polygon() retrieves a geoJSON string for a polygon of
-a park unit. This is not the official boundary.
+a park unit. This is not the official boundary. Note that the REST API call returns the default &quot;convexHull&quot;. This is will work better or worse for some parks, depending on the park shape/geography/number of disjunct areas.
 #'"><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]>
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
@@ -68,7 +68,7 @@ <h1>Retrieve the polygon information for the park unit from NPS REST services</h
 
     <div class="ref-description">
     <p><code>get_park_polygon()</code> retrieves a geoJSON string for a polygon of
-a park unit. This is not the official boundary.
+a park unit. This is not the official boundary. Note that the REST API call returns the default "convexHull". This is will work better or worse for some parks, depending on the park shape/geography/number of disjunct areas.
 #'</p>
     </div>
 
diff --git a/docs/reference/index.html b/docs/reference/index.html
index 2be0e41..47a6f20 100644
--- a/docs/reference/index.html
+++ b/docs/reference/index.html
@@ -3,7 +3,7 @@
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
 <![endif]--></head><body data-spy="scroll" data-target="#toc">
-
+    
 
     <div class="container template-reference-index">
       <header><div class="navbar navbar-default navbar-fixed-top" role="navigation">
@@ -28,7 +28,7 @@
 <li class="dropdown">
   <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
     Articles
-
+     
     <span class="caret"></span>
   </a>
   <ul class="dropdown-menu" role="menu"><li>
@@ -47,14 +47,14 @@
       </ul><ul class="nav navbar-nav navbar-right"><li>
   <a href="https://github.com/nationalparkservice/QCkit/" class="external-link">
     <span class="fab fa-github fa-lg"></span>
-
+     
   </a>
 </li>
       </ul></div><!--/.nav-collapse -->
   </div><!--/.container -->
 </div><!--/.navbar -->
 
-
+      
 
       </header><div class="row">
   <div class="contents col-md-9">
@@ -164,10 +164,10 @@ <h2 id="all-functions">All functions <a href="#all-functions" class="anchor" ari
 
       </footer></div>
 
+  
 
 
-
-
+  
 
   </body></html>
 
diff --git a/docs/reference/replace_blanks.html b/docs/reference/replace_blanks.html
index ec7dd61..364491f 100644
--- a/docs/reference/replace_blanks.html
+++ b/docs/reference/replace_blanks.html
@@ -23,7 +23,7 @@
 <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
 <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
 <![endif]--></head><body data-spy="scroll" data-target="#toc">
-
+    
 
     <div class="container template-reference-topic">
       <header><div class="navbar navbar-default navbar-fixed-top" role="navigation">
@@ -48,7 +48,7 @@
 <li class="dropdown">
   <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
     Articles
-
+     
     <span class="caret"></span>
   </a>
   <ul class="dropdown-menu" role="menu"><li>
@@ -67,14 +67,14 @@
       </ul><ul class="nav navbar-nav navbar-right"><li>
   <a href="https://github.com/nationalparkservice/QCkit/" class="external-link">
     <span class="fab fa-github fa-lg"></span>
-
+     
   </a>
 </li>
       </ul></div><!--/.nav-collapse -->
   </div><!--/.container -->
 </div><!--/.navbar -->
 
-
+      
 
       </header><div class="row">
   <div class="col-md-9 contents">
@@ -125,7 +125,7 @@ <h2>Arguments</h2>
 </dl></div>
     <div id="value">
     <h2>Value</h2>
-
+    
 
 <p>list of data frames (invisibly)</p>
     </div>
@@ -168,10 +168,10 @@ <h2>Examples</h2>
 
       </footer></div>
 
+  
 
 
-
-
+  
 
   </body></html>
 
diff --git a/man/get_park_polygon.Rd b/man/get_park_polygon.Rd
index 706bac9..572b269 100644
--- a/man/get_park_polygon.Rd
+++ b/man/get_park_polygon.Rd
@@ -11,7 +11,7 @@ get_park_polygon(unit_code)
 }
 \description{
 \code{get_park_polygon()} retrieves a geoJSON string for a polygon of
-a park unit. This is not the official boundary.
+a park unit. This is not the official boundary. Note that the REST API call returns the default "convexHull". This is will work better or worse for some parks, depending on the park shape/geography/number of disjunct areas.
 #'
 }
 \examples{
