metadata note

AQP/soilDB/WCS-demonstration-01.Rmd

@@ -138,6 +138,13 @@ plot(mu, legend = FALSE, axes = FALSE, main = metags(mu, name = 'description'))
 plot(st_transform(x, 5070), add = TRUE)
 ```
 
+### Metadata
+Print attached metadata with the `terra::metags()` function. Currently, a short description and "vintage" are included. The gNATSGO, gSSURGO, and derivatives are typically created 2-3 months after the annual SSURGO refresh on October 1st of each year (beginning of US federal fiscal year). 
+```{r, results='asis', echo=FALSE}
+# pretty-print metadata
+kableExtra::kable_styling(knitr::kable(t(metags(mu)), format = 'html'))
+```
+
 
 A buffer applied to a [single WGS84 coordinate](https://casoilresource.lawr.ucdavis.edu/gmap/?loc=36.52578,-118.55639,z13) can create a BBOX:
 ```{r fig.width = 5, fig.height = 5}
@@ -175,13 +182,6 @@ plot(st_transform(p, 5070), add = TRUE, pch = 16)
 ```
 
 
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 # Setup
 Need the latest version of `soilDB` and `terra`, along with all packages specified below (CRAN versions fine).
 ```{r eval = FALSE}